ICD10Check
CheckerBrowseOpen

R51.9

✓ Billable

Headache, unspecified

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

Check This Code

Also Known As

Facial pain NOS

⚠️ Excludes2

inherited from R51

Rules from parent category R51: Headache

  • • atypical face pain (G50.1)
  • • migraine and other headache syndromes (G43-G44)
  • • trigeminal neuralgia (G50.0)

🧪 Validate Combinations

Add R51.9 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeR51.9
BillableYes
ParentR51
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes10 rule(s)
Excludes23 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)