G44.329 — Chronic post-traumatic headache, not intractable
G44.329 is a billable, specific ICD-10-CM code for chronic post-traumatic headache, not intractable. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Chronic post-traumatic headache NOS
Risk adjustment
G44.329 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
G44.329 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55530Billing and Coding: Peripheral Nerve Stimulation
- A56612Billing and Coding: CT of the Head
How G44.329 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G44.329.
- Headache›post-traumatic›chronic
- Headache›post-traumatic›chronic›not intractable
Related codes at this level
Codes that share G44.32. If G44.329 is not quite right, the correct code is usually one of these.
Questions about G44.329
- Is G44.329 a billable ICD-10-CM code?
- Yes. G44.329 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does G44.329 sit in the tabular list?
- Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).