All ICD10 Codes
G44Not billable, use a more specific code below

Other headache syndromes

In Episodic and paroxysmal disorders (G40-G47), chapter 6: Diseases of the Nervous System

40 billable codes under G44: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

Excludes2: not included here, code separately if applicable

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

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers default dominant or nondominant side for hemiplegia and monoplegia, and use and sequencing of G89 pain codes, including postoperative, chronic, and neoplasm-related pain.

Read Section I.C.6 (page 45)

All codes under G44

G44 can't be used on a claim. Pick a billable code below; grey headings group them.

G44 MS-DRGs

As the principal diagnosis, all 40 billable codes under G44 group to MS-DRG 102 or 103 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to G44

Notes on these codes point to G44.

  • G43 Excludes2: headache syndromes (G44.-)
  • G89 Excludes2: headache syndromes (G44.-)
  • R51 Excludes2: migraine and other headache syndromes (G43-G44)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Headache

Almost everyone has had a headache. Headache is the most common form of pain. It's a major reason people miss days at work or school or visit the doctor.

Read more about headache on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.