This is the American ICD-10-CM version of G71. It presents with symmetrical, motor predominant peripheral neuropathy that produces both distal and proximal weakness. The 2024 edition of ICD-10-CM M70. $4,292) and costs for inpatient care (mean $16,357 vs. 4. ICD10CM: G61. ICD-10 diagnosis code for hyperimmunoglobulin E (IgE) syndrome. The 2021 EAN/PNS Guideline on Diagnosis and Treatment of Chronic Inflammatory Demyelinating Polyradiculoneuropathy. CIDP is diagnosed according to the European Federation of Neurological Societies/Peripheral Nerve Society (EFNS/PNS) criteria, which combine clinical features with the electrophysiological evidence of. Summary of CIDP variants and their treatment. Synonyms: abdominal neuropathy, aplasia of muscle, autosomal dominant optic atrophy. FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. Results: Thirty-three patients with IR-CAP showed similar clinical features of chronic inflammatory demyelinating polyneuropathy (CIDP) except 'motor neuropathy subtype'. 82. Microcytic anaemia is any of several types of anemia characterized by small red blood cells (called microcytes). ICD-10-CM Code for Type 2 diabetes mellitus with diabetic polyneuropathy E11. Muscle weakness typically begins in the arms and then moves to the legs. 819 may differ. 1, D81. Final answer: The ICD-10 code for chronic inflammatory demyelinating polyneuropathy is G61. This was the first year ICD-10-CM was implemented into the HIPAA code set. 8 is a new 2024 ICD-10-CM code that became effective on October 1, 2023. 9 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code. 2 In the latest revision, the first change was to. G61. 9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Immune-mediated polyneuropathies can be further classified in acute and chronic, depending on the onset. 9 became effective on October 1, 2023. G37. 80 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 006 Abstract This article discusses the chronic immune-mediated polyneuropathies, a broad category of acquired polyneuropathies that encompasses chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), the most common immune-mediated neuropathy, the CIDP variants, and the vasculitic neuropathies. This is the American ICD-10-CM version of G61. 81) G61. This rare neurological disorder causes nerves and nerve roots to swell, which can destroy the myelin sheath that protects nerves. Explanation: Chronic inflammatory demyelinating polyneuropathy (CIDP) is a neurological disorder characterized by progressive weakness and impaired sensory function in the limbs. 9. The treating physician is solely responsible for diagnosis coding and determination of the appropriate ICD-10-CM codes that describe the patient's condition and are supported by the medical record. Introduction. Medicaid coverage varies by state, and coverage by other payers varies by plan and by contract. 9 became effective on October 1, 2023. Applicable To. The CIDP, or Chronic Inflammatory Demyelinating Polyneuropathy, is represented by the G61. A lumbar puncture (LP) resulted in an opening pressure of 15 cmH 2 O (6-2 cmH 2 O), protein of 187 mg/dL (15-45 mg/dL), glucose of 39 mg/dL (60-80 mg/dL), and white blood cell count of 3 x 10 6 /L. The availability of International Classification of Diseases (ICD), Ninth Revision (ICD-9) or ICD-10 codes for CIDP will help identify patients with CIDP and will provide an opportunity for health plans to look at their own data regarding typical treatment patterns for CIDP and the related cost of care. 2: Common variable immunodeficiency with. ICD-10-CM G61. 1 - other international versions of ICD-10 D80. 1999. 3 to ICD-10-CM; 357. D83. Introduction. 81 is the appropriate modern ICD10 code. 1 Polyneuropathy in collagen vascular disease convert 357. 82 - Multifocal motor. 81, and IVIG product administration and dispensing was identified by outpatient or inpatient. 0–8. This codelist was developed in order to exclude people who would not be eligible for a diagnosis of Guillain Barre Syndrome due to an existing diagnosis of chronic inflammatory demyelinating. ICD-10-CM G37. $2,862) (both p<0. Rating: For ratings, users were asked how effective they found the medicine while considering positive/adverse effects and ease of use (1 = not effective, 10 = most effective). N52. . 9 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code. This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code. Background Chronic inflammatory demyelinating polyneuropathy (CIDP) as a pure sensory variant is rarely encountered. 11; D59. Under CPT/HCPCS Codes Groups 1: Codes and Groups 2: Codes added the HCPCS code Q5115. Diagnosis is based primarily on clinical and electrophysiological findings. 8. 1 became effective on October 1, 2023. Diagnosis of chronic inflammatory demyelinating polyneuropathy. 1 - other international versions of ICD-10 D80. 14 became effective on October 1, 2023. ICD 10 code for Personal history of diseases of the nervous system and sense organs. The most likely mechanism is that the immune cells, called lymphocytes, somehow or other make a mistake and attack the nerves. 89 may differ. O99. Inheritance: -Age of onset: All ages; ICD-10: G61. Chronic inflammatory demyelinating polyneuropathy (CIDP) is the most common immune-mediated neuropathy. ICD-10; Gene name or symbol; Other search option(s) Alphabetical list; Suggest an update. 07/07/2022 R12 Under ICD-10-CM Codes that Support Medical Necessity Group 1: Codes added code G72. 8 Patient Representative GBS/CIDP Foundation International, International Office, Philadelphia, Pennsylvania, USA. Add ICD-10 code G61. The 2024 edition of ICD-10-CM G36. Myelin allows nerve fibers to transmit signals very rapidly (40-60 meters/second). Kommentar von Helmar C. 0 Waldenström macroglobulinemia C90. In this review, we examine the current treatment approaches to each of these CIDP variants based on existing data. Chronic inflammatory demyelinating polyneuropathy (CIDP) with diabetes. CIDP diagnosis was identified by International Statistical Classification of Diseases and Related Health Problems (ICD), Ninth Revision, Clinical Modification diagnosis code 357. 2: Common variable immunodeficiency with autoantibodies to B- or. 0 became effective on October 1, 2023. Cardiomyopathy (primary) (secondary) NOS. AHA Coding Clinic ® for ICD-10-CM and ICD-10-PCS - 2014 Issue 2; Ask the Editor Acute Inflammatory Demyelinating Polyneuropathy. tw. 2 - other international versions of ICD-10 R48. 21 Despite purely sensory. Please see Important Safety Information for Hizentra below. 5th ed, Arlington VA, American Psychiatric Association. 9 became effective on October 1, 2023. , describes Mayo Clinic Laboratories' new diagnostic test for CIDP, or chronic inflammatory demyelinating polyneuropathy. 8C01. Nomenclature and/or coding. 10. FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. ICD-10-CM code G61. 10. 81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Codes. The 2021 ICD-10-CM codes are to be used from January 1, 2021 through September 30, 2021. 0 Guillain-Barre syndrome. Our purpose was to compare hospital discharge abstract coding using ICD-9 and ICD-10 for stroke and its risk factors. 8 or G61. A 'billable code' is detailed enough to be used to specify a medical diagnosis. ICD-10-CM Diagnosis Code A50. AHA Coding Clinic ® for ICD-10-CM and ICD-10-PCS - 2014 Issue 2; Ask the Editor Acute Inflammatory Demyelinating Polyneuropathy. 8 Other disorders of purine and pyrimidine metabolism. 72: Enterocolitis. 4 became effective on October 1, 2023. This chapter includes symptoms, signs, abnormal. Short description: Unsp fracture of unsp pubis, init encntr for closed fracture The 2024 edition of ICD-10-CM S32. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . 2 Selective deficiency of immunoglobulin A [IgA] D80. 29 may differ. G65. 357. G61. Appendix C: Principal diagnoses which convert CC/MCC to non-CC. Chronic inflammatory demyelinating polyneuropathy ( CIDP) is an acquired autoimmune disease of the peripheral nervous system characterized by progressive weakness and impaired sensory function in the legs and arms. Neurology 41. Short description: Chr inflam polyneuritis. CIDP synonyms, CIDP pronunciation, CIDP translation, English dictionary definition of CIDP. Adjusted INCAT response rate was 60. Autonomic deficits in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) have not been adequately quantitated. This is the American ICD-10-CM version of M79. 12; D59. G61 - Inflammatory polyneuropathy. Database with ≥ 1 diagnosis of CIDP (ICD-10 G61. 8. G61. ICD 10 code for Personal history of diseases of the nervous system and sense organs. Research criteria for diagnosis of chronic inflammatory demyelinating polyneuropathy (CIDP): report from an ad hoc subcommittee of the American Academy of Neurology AIDS Task Force. The 2024 edition of ICD-10-CM G63 became effective on October 1, 2023. After the initial IVIG loading period, patients received IVIG at a median dosing interval of 21 days (quartile [Q]1, Q3: 7, 28), and. Barohn RJ, Saperstein DS. Prompt recognition of these treatable disorders is mandatory as delays result in significant. 42 may differ. 2018;24(17 Suppl):S371-S379. 9 became effective on October 1, 2023. Inflammatory polyneuropathy (G61) Chronic inflammatory demyelinating polyneuritis (G61. 819 became effective on October 1, 2023. S. Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) Are not covered for new starts, unless the member meets ANY of the following: Inadequate response to a trial of Gammaked, Gamunex-C, Hizentra, Octagam, Privigen, or Xembify. " M32. The acute immune-mediated polyneuropathies are classified under the eponym Guillain-Barré syndrome (GBS), a heterogeneous group of conditions with several variant forms (see "Guillain-Barré syndrome in adults: Pathogenesis, clinical features, and diagnosis" ). The 2024 edition of ICD-10-CM J44. Chronic inflammatory demyelinating polyradiculoneuropathy; Polyneuropathy (multiple nerve disorder); Polyradiculoneuropathy, inflammatory demyelination. Search All ICD-10 Toggle Dropdown. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . The most likely mechanism is that the immune cells, called lymphocytes, somehow or other make a mistake and attack the nerves. G60-G65 - Polyneuropathies and other disorders of the peripheral nervous system. 13 result found: ICD-10-CM Diagnosis Code G61. Late congenital syphilitic polyneuropathy. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM. 81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 357. 81 should only be used for claims with a date of service on or before September 30, 2015. 5, D81. 00 Multiple myeloma not having achieved remission C88. Applicable To. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes). G37. This is the American ICD-10-CM version of G71. G37. LCD is revised to add diagnosis G61. Get crucial instructions for accurate ICD-10-CM Z63. tw. D57. ICD-10 code G61. 1 Neoplasm of uncertain behavior of connective and other soft tissue. G61. The 2024 edition of ICD-10-CM G71. MAG is essential to maintaining a healthy peripheral nervous system. The 2021 EAN/PNS Guideline on Diagnosis and Treatment of Chronic Inflammatory Demyelinating Polyradiculoneuropathy. Introduction: Distal acquired demyelinating symmetric polyneuropathy (DADS) is proposed as a distinct entity from classic chronic inflammatory demyelinating polyneuropathy (CIDP). 43 became effective on. Disease definition A chronic monophasic, progressive or relapsing symmetric sensorimotor disorder characterized by progressive. Categories Z00-Z99 are provided for. E13. Divyanshu (Div) Dubey, M. 81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 357. Abstract. G62. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024. The 2024 edition of ICD-10-CM N52. . Purchase access. 9. 9, G63 Example 4 Final Diagnosis 1. Initial symptoms, such as slowed nerve responses and sensory changes, often go unnoticed. The CPT®,2-4 HCPCS,5,6 and ICD-10-CM codes provided are based on AMA or CMS guidelines. The following ICD-10 code has been added to the Group 2 codes as a covered diagnosis: G61. PMID: 34327760. 0 - other international versions of ICD-10 G61. Chronic inflammatory demyelinating polyneuropathy (CIDP) is a rare neurological disorder in which there is inflammation of nerve roots and peripheral nerves and destruction of the fatty protective covering (myelin sheath) of the nerve fibers. 81 should only be used for claims with a date of service on or before September 30, 2015. Symptoms aren’t the same for everyone, but you. 1 is a billable diagnosis code used to specify a medical diagnosis of sequelae of other inflammatory polyneuropathy. 81. 'Inflammatory axonal neuropathy' was proven in 14 (45%) of 31 sural nerve biopsies. The sensitivity of 77%–83% and the specificity of 94%–98% are acceptable for research and clinical practice in CIDP. 0 - other international versions of ICD-10 N65. 3: Toxic shock syndrome : B20: Human immunodeficiency virus [HIV] disease [bacteria control or prevention] B34. or exp Plasmapheresis/ or plasmapheresis. Codes. Chronic inflammatory demyelinating polyneuropathy (CIDP) is rare but the most common chronic immune-mediated neuropathy; however, the effects of pregnancy on CIDP have never been investigated except case reports or series. Polyneuropathy in diseases classified elsewhere. This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code. Diagnosis relies on clinical and electrophysiological criteria. ICD-9-CM 357. 9 Benign neoplasm of ill-defined sites within the digestive system. GAMUNEX-C is also approved to treat. 8,10. 4103/0028-3886. ICD-10 Diagnosis Codes ICD-10-CM Diagnosis codes: Code Description C90. 80 - other international versions of ICD-10 D57. Chronic inflammatory demyelinating polyneuropathy (CIDP) is an immune-mediated peripheral nerve disorder characterized by progressive or relapsing motor or sensory symptoms [ 1 ]. 6. 5% of all CIDP, with no juvenile cases reported as yet. Creation of Uniform LCDs Within a MAC Jurisdiction; Revisions Due To. It can cause temporary disability in the affected individuals and may eventually lead to permanent disability or death []. G37. 9 - other international versions of ICD-10 G61. E00-E89 Endocrine, nutritional and metabolic diseases. Polyneuropathies and other disorders of the peripheral nervous system. The drug name “Rituxan®” was removed throughout the article. the need for accurate diagnosis and appropriate treatment. The European Federation of Neurologic Societies/PNS CIDP criteria are widely used because they are the most accurate compared with the 15 other criteria published. Pakistan J Neurol Sci 2015; 10: 21–24. MAG is essential to maintaining a healthy peripheral nervous system. J Neurol Neurosurg Psychiatry. In the pooled cohort (n = 235), INCAT response rate was 71. 81 - other international versions of ICD-10 G61. Methods: We took advantage of a switch in coding systems from ICD-9 to ICD-10 to independently review stroke patient charts. This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code. Effective for dates of service on or after October 1, 2014, via CR8605, the appropriate ICD-9 codes were converted to the following ICD10 codes: D80. Creation of Uniform LCDs Within a MAC Jurisdiction; Revisions Due To ICD-10. 521 may differ. The symptoms of. ICD-10-PCS 6A550Z3 is a specific/billable code that can be used to indicate a procedure. 15 Cocaine abuse with cocaine-induced psychotic. coding and determination of the appropriate ICD-10-CM codes1 that describe the patient’s condition and are supported by the medical record. 80 - other international versions of ICD-10 D57. Chronic inflammatory demyelinating polyneuropathy. 9 - other international versions of ICD-10 G62. 0 Guillain-Barre syndrome. 606 may differ. ICD-10-CM Diagnosis Codes. Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is the most common chronic inflammatory neuropathy. 82 Multifocal motor neuropathy. Here we report a case of a 38-year-old man who. G61. The 2024 edition of ICD-10-CM J20. E11. G61. F14. The 2024 edition of ICD-10-CM D80. The exact cause is not known. Anti-MAG occurs when the body’s own immune system develops antibodies against a key glycoprotein (myelin-associated glycoprotein, or MAG). Among the 221 responders who entered Stage B, treatment with efgartigimod alfa plus hyaluronidase-qvfc reduced the risk for CIDP relapse (primary endpoint) by 61% at week 48 compared with placebo. 89. This is the American ICD-10-CM version of G96. As sensory changes progress, the muscles become affected. Is CIDP the same as Guillain. 5 and ICD-10-CM codes1 provided are based on AMA or CMS guidelines. 0: Common variable immunodeficiency with predominant abnormalities of B-cell numbers and function: D83. 121 Cocaine abuse with intoxication with delirium. G37. It is found in the 2024 version of the ICD-10 Clinical Modification (CM) and can be used in all HIPAA-covered transactions from Oct 01, 2023 - Sep 30, 2024 . TABLE 1. G61. The presence of an ICD-10 code listed in this section is not sufficient by itself to assure coverage. ICD-10-CM code G61. Chronic inflammatory demyelinating polyneuropathy ( CIDP) is an acquired autoimmune disease of the peripheral nervous system characterized by progressive weakness and. Whether diabetes is a risk factor for CIDP. 1 may differ. G61. It can start at. Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and its variants comprise a group of immune-mediated neuropathies with distinctive clinical presentations and electrodiagnostic features. , describes Mayo Clinic Laboratories' new diagnostic test for CIDP, or chronic inflammatory demyelinating polyneuropathy. Billable Thru Sept 30/2015. 6 per 100,000 persons per year. High spinal fluid protein was found in 27/32 (78%) cases. Acute inflammatory demyelinating polyneuropathy is a monophasic illness, though treatment-related fluctuations or relapses occur in a minority of patients (74). This was the first year ICD-10-CM was implemented into the HIPAA code set. . This is the American ICD-10-CM version of O09. 59 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. doi: 10. $2,862) (both p<0. To read the full article, sign in and subscribe to AHA Coding Clinic ® for ICD-10-CM and ICD-10-PCS . 9 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code. 81) Related MeSH Terms Polyradiculoneuropathy, Chronic. G61. The 2024 edition of ICD-10-CM Q82. 2018. 81) from 01/01/2015 to 11/30/2021 were included. M79. All patients underwent standardized ancillary testing in addition to standardized sonography of the brachial plexus and the large arm and leg. 120 Cocaine abuse with intoxication, uncomplicate. 59 may differ. 851 became effective on October 1, 2023. G61. Blood tests. This is the American ICD-10-CM version of G62. 3,4 The criteria were revised in 2010 and more recently in 2021. The 2024 edition of ICD-10-CM M32. Methods: We report a 58-year-old woman with DADS that progressed to a severe case of classic CIDP. E11. 6. 350 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Short description: Type 2 diabetes w diabetic autonomic (poly)neuropathy The 2024 edition of ICD-10-CM E11. ICD-10-CM Coding Rules. N65. 89 Other inflammatory polyneuropathies. G61. 8 is added with. Even so, your doctor may take your blood to check for other conditions and. GAMUNEX®-C (immune globulin injection [human], 10% caprylate/chromatography purified) is indicated for the treatment of primary humoral immunodeficiency disease (PIDD) in patients 2 years of age and older, idiopathic thrombocytopenic purpura (ITP) in adults and children, and chronic inflammatory demyelinating polyneuropathy (CIDP) in adults. G65. 89 Other inflammatory polyneuropathies. D69. 9 may differ. 2. Non-Billable On/After Oct 1/2015. Chronic inflammatory demyelinating polyneuropathy. Cause is thought. The 2024 edition of ICD-10-CM G62. 52 may differ. F14. 12 became effective on October 1, 2023. 81; diagnosis codes could be included in any coding position) from. For inpatient visits after 1999, ICD-10 code G61. 'Inflammatory axonal neuropathy' was proven in 14 (45%) of 31 sural nerve biopsies. 12 may differ. 606 became effective on October 1, 2023. Various disorders requiring specific treatment regimens may be associated with CIDP, including sarcoidosis (SAR-CIDP) and connective tissue disease. 4 Selective deficiency of immunoglobulin M [IgM] Under ICD-10-CM Codes that Support Medical Necessity Group 1: Codes added D81. G62. Common symptoms are gradual weakness or sensation changes in the arms or legs. Showing 26-50: ICD-10-CM Diagnosis Code M27. Download the Prescription Referral Form to confirm insurance coverage options. 71-A04. The 2024 edition of ICD-10-CM G61. The January 1, 2021 ICD-10-CM is available in both PDF (Adobe) and XML file formats. unspecified G60. ICD-9-CM 357. Applicable To. 9 became effective on October 1, 2023. Diagnostic criteria can be essential to. E20. (31181) 24 12 and 22 and 23 (94) 25 remove duplicates from 24 (94)ICD‐10‐CM codes E53. 81. This type of seizure may be preceded by an aura and is frequently followed by a period of. Polyneuropathy means multiple nerve damage is causing peripheral. With treatment. Diagnosis of Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) Diagnosing neuromuscular illness can be a complex process. This is the American ICD-10-CM version of D57. F01-F99 Mental, Behavioral and Neurodevelopmental disorders. 42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. INTRODUCTION — Chronic inflammatory demyelinating polyneuropathy (CIDP; also known as chronic inflammatory demyelinating polyradiculoneuropathy) is an acquired, immune-mediated neuropathy affecting peripheral nerves and nerve roots, typically characterized by a relapsing-remitting or progressive course of symmetric weakness of proximal and distal muscles. This is the American ICD-10-CM version of Y93. Chronic inflammatory demyelinating polyneuropathy is a common, albeit underdiagnosed, and potentially treatable disease with an estimated prevalence of about 0. Important cost drivers were costs for outpatient ancillary, radiology and HCPCS drugs (mean $76,366 vs. G61. [1] The disorder is sometimes called chronic relapsing polyneuropathy ( CRP) or chronic inflammatory demyelinating. Convert to ICD-10-CM: 356. G1 became effective on October 1, 2023. 125 codes were deleted from the 2024 ICD-10-CM code set, effective October 1, 2023. However, further higher sensitivity would be ideal, and we suggest that particularly for patients who have suspectable CIDP and do not fulfil the electrodiagnostic criteria, the use of peripheral nerve imaging with ultrasound and/or. 8 Other inflammatory polyneuropathies. Because of the similarity of symptoms, clinicians have long considered CIDP to be a chronic form of Guillain-Barre syndrome. The 2024 edition of ICD-10-CM D57. 10/01/2021 R11 Under ICD-10 Codes that Support Medical Necessity Group 1. If you have PIDD, you may take GAMUNEX-C under the skin (subcutaneously) or in a vein (intravenously). Methods: This clinical trial was conducted on 40 patients diagnosed with CIDP randomly allocated to treatment with 100-500 mg gabapentin (n=20) or 50-300 mg pregabalin (n=20) both co-medicated with 37. 8 - other international versions of ICD-10 G37. Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is a slowly developing autoimmune disorder in which the body's immune system attacks the myelin that insulates and protects your body’s nerves. Polyneuropathies and other disorders of the peripheral nervous system. This is the American ICD-10-CM version of M32. FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. The 2024 edition of ICD-10-CM G61 became effective on October 1, 2023. 81 may differ. ICD-10-CM Codes. 1 Serum neuropathy. G47. 9 may differ.