G73.3 — Myasthenic syndromes in other diseases classified elsewhere
G73.3 is a billable, specific ICD-10-CM code for myasthenic syndromes in other diseases classified elsewhere. It is valid for submission on a claim.
Risk adjustment
G73.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 196 Myasthenia Gravis without (Acute) Exacerbation and Other Myoneural Disorders0.516 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
G73.3 is named in 26 Medicare coverage policies — 26 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
Code history
G73.3 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share G73. If G73.3 is not quite right, the correct code is usually one of these.
Questions about G73.3
- Is G73.3 a billable ICD-10-CM code?
- Yes. G73.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G73.3 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Diseases of myoneural junction and muscle (G70-G73).