G44.099Billable

Other trigeminal autonomic cephalgias (TAC), not intractable

Chapter
6. Diseases of the nervous system
Category
G44
Effective date
October 1, 2026

Related codes in category G44

Frequently asked questions

What is ICD-10 code G44.099?

G44.099 is an ICD-10-CM diagnosis code for Other trigeminal autonomic cephalgias (TAC), not intractable.

Is G44.099 a billable code?

Yes. G44.099 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is G44.099 in?

G44.099 falls under Chapter 6: Diseases of the nervous system.

When did G44.099 become effective?

G44.099 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to G44.099?

G44.099 belongs to category G44, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.