R51.9
R51.9: Headache, unspecified
Billable / specific codeICD-10-CM
R51.9 is a billable, specific ICD-10-CM code for headache, unspecified. It is valid for submission on a claim.
Check R51.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Facial pain NOS
Other codes that can never be billed with R51.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
R51.9 is named in 5 Medicare coverage policies: 4 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A57497Billing and Coding: Chest X-Ray Policynot covered
- A56273Billing and Coding: Chiropractic Services
- A56612Billing and Coding: CT of the Head
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Alphabetic index entries that lead here
- Headache
- Headache›chronic daily
- Headache›daily chronic
- Headache›nasal septum
- Pain›face, facial
Code history
Unchanged in every release from FY2024 to FY2027.