All ICD10 Codes

R12

Billable
ChapterR00–R99
Rankcategory
Official Description

Heartburn

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R10-R19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • congenital or infantile pylorospasm (Q40.0)
  • gastrointestinal hemorrhage (K92.0-K92.2)
  • intestinal obstruction (K56.-)
  • newborn gastrointestinal hemorrhage (P54.0-P54.3)
  • newborn intestinal obstruction (P76.-)
  • pylorospasm (K31.3)
  • signs and symptoms involving the urinary system (R30-R39)
  • symptoms referable to female genital organs (N94.-)
  • symptoms referable to male genital organs (N48-N50)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • functional dyspepsia (K30)
Excludes2(Not included here. Code separately if applicable.)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R10-R19Symptoms and signs involving the digestive system and abdomen (R10-R19)
R12HeartburnBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R12:

blockR10-R19
Symptoms and signs involving the digestive system and abdomen (R10-R19)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 391
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC
DRG 392
Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC

Cross Reference

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