Is G04.82 a billable ICD-10-CM code?

Yes. G04.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G04.82 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Inflammatory diseases of the central nervous system (G00-G09).

What cannot be coded together with G04.82?

G04.82 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

G04.82

G04.82 — Acute flaccid myelitis

Billable / specific codeICD-10-CM

G04.82 is a billable, specific ICD-10-CM code for acute flaccid myelitis. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

transverse myelitis (G37.3)

Other codes that can never be billed with G04.82

These codes carry an Excludes1 note pointing at G04.82. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading G04.82 alone.

A80Acute poliomyelitis
G37.3Acute transverse myelitis in demyelinating disease of central nervous system

Risk adjustment

G04.82 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 182 Spinal Cord Disorders/Injuries0.478 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

G04.82 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53057Billing and Coding: Home Health Occupational Therapy
A53058Billing and Coding: Home Health Physical Therapy
A53064Billing and Coding: Outpatient Occupational Therapy
A53065Billing and Coding: Outpatient Physical Therapy

How G04.82 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G04.82.

Myelitis›flaccid

Related codes at this level

Codes that share G04.8. If G04.82 is not quite right, the correct code is usually one of these.

Questions about G04.82

Is G04.82 a billable ICD-10-CM code?: Yes. G04.82 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G04.82 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Inflammatory diseases of the central nervous system (G00-G09).
What cannot be coded together with G04.82?: G04.82 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.