R12Billable
Heartburn
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R12
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code R12?
R12 is an ICD-10-CM diagnosis code for Heartburn.
Is R12 a billable code?
Yes. R12 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R12 in?
R12 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R12 become effective?
R12 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.