Other and unspecified myopathies
In Diseases of myoneural junction and muscle (G70-G73), chapter 6: Diseases of the Nervous System
9 billable codes under G72: 4 are a CC; 1 map to HCC 93 (Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers default dominant or nondominant side for hemiplegia and monoplegia, and use and sequencing of G89 pain codes, including postoperative, chronic, and neoplasm-related pain.
- Dominant/nondominant side (page 45)
- Pain - Category G89 (page 45)
All codes under G72
G72 can't be used on a claim. Pick a billable code below; grey headings group them.
- G72.0Drug-induced myopathy
- G72.1Alcoholic myopathy
- G72.2Myopathy due to other toxic agents
- G72.3Periodic paralysis
- G72.4Inflammatory and immune myopathies, not elsewhere classified
- G72.41Inclusion body myositis [IBM]
- G72.49Other inflammatory and immune myopathies, not elsewhere classified
- G72.8Other specified myopathies
- G72.81Critical illness myopathy
- G72.89Other specified myopathies
- G72.9Myopathy, unspecified
G72 MS-DRGs
As the principal diagnosis, the billable codes under G72 group to MS-DRG 091, 092, 093, 545, 546, or 547 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 091 Other Disorders of Nervous System with MCC (7 of 9 codes)
- DRG 092 Other Disorders of Nervous System with CC (7 of 9 codes)
- DRG 093 Other Disorders of Nervous System without CC/MCC (7 of 9 codes)
- DRG 545 Connective Tissue Disorders with MCC (2 of 9 codes)
- DRG 546 Connective Tissue Disorders with CC (2 of 9 codes)
- DRG 547 Connective Tissue Disorders without CC/MCC (2 of 9 codes)
Other codes that refer to G72
Notes on these codes point to G72.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Muscle Disorders
Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis.
Read more about muscle disorders on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
