Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM G44.00 — Cluster headache syndrome, uns… | Codelle

ICD-10-CM/G44.0/G44.00

G44.00

ICD-10-CM

Cluster headache syndrome, unspecified

Clinical Notes

Inclusion Terms

Ciliary neuralgia
Cluster headache NOS
Histamine cephalgia
Lower half migraine
Migrainous neuralgia

Code Hierarchy

▲G44.0Cluster headaches and oth trigeminal autonm cephalgias (TAC)

G44.00(current)

Subcodes (2)

G44.001Cluster headache syndrome, unspecified, intractable

G44.009Cluster headache syndrome, unspecified, not intractable

Same Category

G44Other headache syndromes G44.0Cluster headaches and oth trigeminal autonm cephalgias (TAC)G44.001Cluster headache syndrome, unspecified, intractable G44.009Cluster headache syndrome, unspecified, not intractable G44.01Episodic cluster headache G44.011Episodic cluster headache, intractable G44.019

Episodic cluster headache, not intractable

G44.02Chronic cluster headache

G44.021Chronic cluster headache, intractable

G44.029Chronic cluster headache, not intractable

+5 more in this category