ICD-10-CM 2027
ICD-10 code for Amyotrophia
From the official ICD-10-CM alphabetic index entry “Amyotrophia, amyotrophy, amyotrophic”. Page updated September 29, 2026.
About coding Amyotrophia
The ICD-10-CM code for Amyotrophia is G71.8 (Other primary disorders of muscles). The official index lists 4 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on G71.8.
Within G71, choose G71.8 (Other primary disorders of muscles) only when documentation doesn't support a more specific option: muscular dystrophy (G71.0), myotonic disorders (G71.1), congenital myopathies (G71.2), mitochondrial myopathy, not elsewhere classified (G71.3) and primary disorder of muscle, unspecified (G71.9).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 091 (Other Disorders of Nervous System with MCC, relative weight 1.7046), DRG 092 (Other Disorders of Nervous System with CC, relative weight 1.0239) and DRG 093 (Other Disorders of Nervous System without CC/MCC, relative weight 0.7783), in MDC 01 (Diseases and Disorders of the Nervous System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific Amyotrophia codes (official index)
Common questions about Amyotrophia ICD-10 codes
What is the ICD-10 code for Amyotrophia?
- G71.8 — Other primary disorders of muscles. More specific codes apply when the documentation supports them: Q79.8, G12.21, G54.5, G12.25.
What is the ICD-10 code for congenita amyotrophia?
- Q79.8 — Other congenital malformations of musculoskeletal system.
What is the ICD-10 code for lateral sclerosis amyotrophia?
- G12.21 — Amyotrophic lateral sclerosis.
What is the ICD-10 code for neuralgic amyotrophia?
- G54.5 — Neuralgic amyotrophy.
What is the ICD-10 code for spinal progressive amyotrophia?
- G12.25 — Progressive spinal muscle atrophy.
Is G71.8 billable?
- Yes. G71.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G71.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G71.8 as a principal diagnosis.
Is G71.8 a CC or MCC?
- No. G71.8 is neither a CC nor an MCC under MS-DRG v44.0.