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).

G73.3

G73.3 — Myasthenic syndromes in other diseases classified elsewhere

Billable / specific codeICD-10-CM

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.

Code first

The underlying condition must be sequenced before this code.

underlying disease, such as:
neoplasm (C00-D49)
thyrotoxicosis (E05.-)

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 27 Medicare coverage policies — 27 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

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).