G44.21 Episodic tension-type headache

Non-billable header with 2 child codes.

Applies from G44 Other headache syndromes

Excludes1 (never code together)

• headache NOS (R51.9)

Excludes2 (not included here)

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

Codes under G44.21

• G44.211 Episodic tension-type headache, intractable
• G44.219 Episodic tension-type headache, not intractable

Code annotations containing back-references to G44.21

Back-references to G44.2

• Type 2 Excludes: F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere ("tension-type headache (G44.2)")
• Type 2 Excludes: G44.1 Vascular headache, not elsewhere classified ("tension-type headache (G44.2-)")

Back-references to G44

• Type 2 Excludes: G43 Migraine ("headache syndromes (G44.-)")
• Type 2 Excludes: G89 Pain, not elsewhere classified ("headache syndromes (G44.-)")
• Type 2 Excludes: R51 Headache ("migraine and other headache syndromes (G43-G44)")

Nearby codes

• G44.1 Vascular headache, not elsewhere classified
• G44.2 Tension-type headache
• G44.20 Tension-type headache, unspecified
• G44.201 Tension-type headache, unspecified, intractable
• G44.209 Tension-type headache, unspecified, not intractable
• G44.21 Episodic tension-type headache (this code)
• G44.211 Episodic tension-type headache, intractable
• G44.219 Episodic tension-type headache, not intractable
• G44.22 Chronic tension-type headache
• G44.221 Chronic tension-type headache, intractable
• G44.229 Chronic tension-type headache, not intractable