All ICD10 Codes

G12

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Spinal muscular atrophy and related syndromes

Use a more specific code (4 billable, 1 non-billable)
G12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]G12.1Other inherited spinal muscular atrophyG12.2Motor neuron diseasehas subcodesG12.8Other spinal muscular atrophies and related syndromesG12.9Spinal muscular atrophy, unspecified
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)

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G10-G14Systemic atrophies primarily affecting the central nervous system (G10-G14)
G12Spinal muscular atrophy and related syndromesNot billable
G12.0Infantile spinal muscular atrophy, type I [Werdnig-Hoffman]Billable
G12.1Other inherited spinal muscular atrophyBillable
G12.2Motor neuron diseaseSubcodes
G12.8Other spinal muscular atrophies and related syndromesBillable
G12.9Spinal muscular atrophy, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G12:

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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