Current
R12 — Heartburn
Part of Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified , block Symptoms and signs involving the digestive system and abdomen (R10-R19) .
Official Notes
Child Codes
R12 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite R12.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS