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G12

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G12

Non-billable

Spinal muscular atrophy and related syndromes

G12 is the ICD-10-CM code for Spinal muscular atrophy and related syndromes. It is a non-billable category code — use a more specific child code such as G12.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
5
Edition
FY2026

G00-G99 Diseases of the nervous system

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What this means — in plain language

MedlinePlus · NIH

What is spinal muscular atrophy (SMA)? Spinal muscular atrophy (SMA) is a group of genetic diseases that damages and kills motor neurons. Motor neurons are a type of nerve cell in the spinal cord and lower part of the brain. They control movement in your arms, legs, face, chest, throat, and tongue. As the motor neurons die off, your muscles start to weaken and atrophy (waste away). The muscle damage gets worse over…

Read more about Spinal Muscular Atrophy at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH
Spinal Muscular AtrophyAmyotrophic Lateral Sclerosis

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

48 rare diseases filed under this code

Orphanet · INSERM

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. This code is shared — showing 12 of 48.

Motor neuron diseaseexactProximal spinal muscular atrophy type 1exactMills syndromeKennedy diseaseMonomelic amyotrophyPrimary lateral sclerosisO'Sullivan-McLeod syndromeFoix-Chavany-Marie syndromeMadras motor neuron diseaseProgressive muscular atrophyAmyotrophic lateral sclerosisProximal spinal muscular atrophy

Orphadata Science: Free access data from Orphanet. © INSERM 1999. 2 of these are exact ICD-10 matches; the rest are broader-bucket mappings.

Benefits & assistance programs

Federal & state

Assistance programs whose eligibility maps to this condition's category. Informational only — eligibility is determined by the administering agency.

Frequently asked questions

What is ICD-10 code G12?
G12 is the ICD-10-CM code for "Spinal muscular atrophy and related syndromes". It falls under G00-G99 Diseases of the nervous system.
Is G12 a billable code?
No — G12 is a non-billable header code. Use a more specific child code (such as G12.0) for billing.
What are the subcodes of G12?
G12 has 5 more specific child codes, including G12.0, G12.1, G12.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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