ICD-10-CM 2027

ICD-10 code for Cephalgia

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Cephalgia, cephalalgia”. Page updated September 29, 2026.

About coding Cephalgia

The official ICD-10-CM index doesn't give a single default code for cephalgia; the code depends on the details below.

histamine G44.009 — Cluster headache syndrome, unspecified, not intractable
intractable G44.001 — Cluster headache syndrome, unspecified, intractable
not intractable G44.009 — Cluster headache syndrome, unspecified, not intractable
trigeminal autonomic (TAC) NEC G44.099 — Other trigeminal autonomic cephalgias (TAC), not intractable
intractable G44.091 — Other trigeminal autonomic cephalgias (TAC), intractable
not intractable G44.099 — Other trigeminal autonomic cephalgias (TAC), not intractable

What is the ICD-10 code for histamine cephalgia?: G44.009 — Cluster headache syndrome, unspecified, not intractable.
What is the ICD-10 code for trigeminal autonomic nec cephalgia?: G44.099 — Other trigeminal autonomic cephalgias (TAC), not intractable.