R12
BillableHeartburn
Heartburn
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
- •congenital or infantile pylorospasmQ40.0
- •gastrointestinal hemorrhageK92.0-K92.2
- •intestinal obstructionK56
- •newborn gastrointestinal hemorrhageP54.0-P54.3
- •newborn intestinal obstructionP76
- •pylorospasmK31.3
- •signs and symptoms involving the urinary systemR30-R39
- •symptoms referable to female genital organsN94
- •symptoms referable to male genital organsN48-N50
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(60)
SNOMED CT
- Burning reflux16331000
- Heartburn16331000
- Pyrosis16331000
- Burning pain36349006
- Hot pain36349006
- Esophageal pain102619001
- Esophagodynia102619001
- Oesophageal pain102619001
- Oesophagodynia102619001
- Pain in esophagus102619001
- Pain in oesophagus102619001
- Waterbrash162030005
- Esophageal reflux249496004
- Esophageal reflux finding249496004
- Esophageal reflux observation249496004
- Oesophageal reflux249496004
- Oesophageal reflux finding249496004
- Oesophageal reflux observation249496004
- Finding of esophageal function300288001
- Finding of oesophageal function300288001
- Observation of esophageal function300288001
- Observation of oesophageal function300288001
- Digestive system reflux709493000
- Functional heartburn722876002
UMLS
Clinical Terms
- Burning reflux
- pyrosis
- Esophageal reflux
- Observation of esophageal function
- Digestive system reflux
- Waterbrash
- Functional heartburn
- Esophageal reflux finding
- Finding of oesophageal function
- Esophageal reflux observation
- Burning pain
- Hot pain
- Oesophageal reflux finding
- brash
- Oesophageal reflux observation
- Oesophageal reflux
- Observation of oesophageal function
- Pyroses
- Esophagodynia
- Pain in oesophagus
- Heartburn (finding)
- Oesophagodynia
- Finding of esophageal function
- Oesophageal pain
- Pain in esophagus
- Esophageal pain
- acidity
Frequently Asked Questions
What is the ICD-10 code for heartburn?
The ICD-10-CM code for heartburn is R12. The full clinical description is "Heartburn". R12 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R12 mean?
ICD-10-CM code R12 represents “Heartburn”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R12 a billable code?
Yes, R12 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R12 in?
R12 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R12?
R12 has Excludes1 notes indicating codes that cannot be used together with it, including: dyspepsia NOS (R10.13); functional dyspepsia (K30).
What SNOMED CT codes does R12 map to?
R12 maps to 8 SNOMED CT concepts: 36349006, 16331000, 709493000, 102619001, 249496004, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R12?
R12 is linked to 1 UMLS Concept Unique Identifier: C0018834. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R12 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like heartburn affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R12?
R12 maps to the ICD-11 code: MD95 (Heartburn).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.