ICD-10-CM R12 is the diagnosis code for Heartburn. This code falls under the section "Symptoms and signs involving the digestive system and abdomen" within Chapter 18 â Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as R12. They are mutually exclusive:
The following conditions are not included in R12. If the patient has both, code each condition separately:
Understanding where R12 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, R12 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
R12 is the ICD-10-CM diagnosis code for "Heartburn". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R12 is located in Section R10-R19 â "Symptoms and signs involving the digestive system and abdomen" within Chapter 18 of the ICD-10-CM Tabular List.
Use R12 when the patients documented diagnosis matches "Heartburn" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Heartburn is R12.
Yes, R12 can be used as a primary diagnosis code since it is billable and specific.
R12 is in Chapter 18 of the ICD-10-CM Tabular List.
Type 1 Excludes for R12 include: functional dyspepsia (K30).
Yes, R12 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.