Is G43.01 a billable ICD-10-CM code?

No. G43.01 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does G43.01 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).

G43.01

G43.01 — Migraine without aura, intractable

Non-billable headerICD-10-CM

G43.01 is a non-billable header ICD-10-CM code for migraine without aura, intractable. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

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

Migraine without aura with refractory migraine

Risk adjustment

G43.01 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.

Code to one of these instead G43.01

2 child codes. Green means billable.

Related codes at this level

Codes that share G43.0. If G43.01 is not quite right, the correct code is usually one of these.

G43.00Migraine without aura, not intractable

Questions about G43.01

Is G43.01 a billable ICD-10-CM code?: No. G43.01 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does G43.01 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).