MCMedicalCodingSoftware
G44.03

G44.03: Episodic paroxysmal hemicrania

Non-billable headerICD-10-CM

G44.03 is a non-billable header ICD-10-CM code for episodic paroxysmal hemicrania. 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.

  • Paroxysmal hemicrania NOS

Excludes1 inherited from the categories above G44.03

A category’s note binds every code beneath it.

Written on G44: Other headache syndromes

Excludes2 inherited from the categories above G44.03

Not part of this code, but both may be coded when both are present.

Written on G44: Other headache syndromes

  • atypical facial pain (G50.1)
  • headache due to lumbar puncture (G97.1)
  • migraines (G43.-)
  • trigeminal neuralgia (G50.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead G44.03

2 child codes. Green means billable.

Other codes under G44.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.