G71

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Primary disorders of muscles

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • arthrogryposis multiplex congenita (Q74.3)
  • metabolic disorders (E70-E88)
  • myositis (M60.-)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G70-G73Diseases of myoneural junction and muscle (G70-G73)
G71Primary disorders of musclesNot billable
G71.0Muscular dystrophySubcodes
G71.1Myotonic disordersSubcodes
G71.2Congenital myopathiesSubcodes
G71.3Mitochondrial myopathy, not elsewhere classifiedBillable
G71.8Other primary disorders of musclesBillable
G71.9Primary disorder of muscle, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G71:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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