R51 — Headache
Is R51 billable?
No — R51 is a non-billable header code. R51 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath R51.
Billable codes under this header
R51 at a glance
| Code | R51 |
|---|---|
| Description | Headache |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of R51, but a patient may have both at the same time. When documentation supports it, R51 and the excluded code may both be reported.
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R51, but a patient may have both at the same time. When documentation supports it, R51 and the excluded code may both be reported.
What codes fall under R51? (2)
How long has R51 existed?
R51 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2021: R51 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.