Is G24.4 a billable ICD-10-CM code?

Yes. G24.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G24.4 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Extrapyramidal and movement disorders (G20-G26).

What cannot be coded together with G24.4?

G24.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

G24.4

G24.4 — Idiopathic orofacial dystonia

Billable / specific codeICD-10-CM

G24.4 is a billable, specific ICD-10-CM code for idiopathic orofacial dystonia. 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.

drug induced orofacial dyskinesia (G24.01)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Orofacial dyskinesia

Risk adjustment

G24.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

G24.4 is named in 38 Medicare coverage policies — 38 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
A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
A54969Billing and Coding: Nerve Conduction Studies and Electromyography
A56612Billing and Coding: CT of the Head

How G24.4 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 G24.4.

Dyskinesia›orofacial(idiopathic)
Dystonia›orofacial(idiopathic)
Dystonia›oromandibular
Syndrome›Meige
Dystonia›idiopathic›orofacial

Related codes at this level

Codes that share G24. If G24.4 is not quite right, the correct code is usually one of these.

Questions about G24.4

Is G24.4 a billable ICD-10-CM code?: Yes. G24.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G24.4 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Extrapyramidal and movement disorders (G20-G26).
What cannot be coded together with G24.4?: G24.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.