ICD-10 R19.7
Billable / SpecificDiarrhea, unspecified
About ICD-10-CM R19.7
ICD-10-CM code R19.7 represents Diarrhea, unspecified. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R19). The 2026 edition of ICD-10-CM R19.7 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R19.7. Per CMS ICD-10-CM Tabular 2026.
- Diarrhea NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with R19.7. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- functional diarrhea (K59.1)
- neonatal diarrhea (P78.3)
- psychogenic diarrhea (F45.8)
Medicare LCD Coverage for R19.7
Local Coverage Determinations (LCDs) from CMS MACs that list R19.7 as a covered diagnosis.
Showing top 10 of 830 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R19.7.
5 Medicare
CPT Codes Commonly Billed with R19.7
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 87507 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
- 87505 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
- 87506 CMS LCD: Billing and Coding: Gastrointestinal Pathogen (GIP) Panels Utilizing Multiplex Nucleic Acid Amplification Techniques (NAATs) CMS LCD
- J2353 CMS LCD: Billing and Coding: Octreotide Acetate for Injectable Suspension (Sandostatin� LAR Depot) CMS LCD
Convert R19.7 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R19.7 | 78791 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R19.7
Other codes in section R10-R19 (Symptoms and signs involving the digestive system and abdomen).
ICD-10 R19.7, Billing FAQ
Is ICD-10 code R19.7 billable? +
Yes, R19.7 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to R19.7? +
ICD-10 R19.7 includes: Diarrhea NOS.
What codes are Type 1 Excludes for R19.7? +
Type 1 Excludes (never code together with R19.7): functional diarrhea (K59.1); neonatal diarrhea (P78.3); psychogenic diarrhea (F45.8)
What CPT codes are commonly billed with R19.7? +
Procedures frequently paired with R19.7 include: 87507, 87505, 87506, J2353.
What ICD-9 codes does R19.7 map to? +
Per CMS GEMs, R19.7 maps to ICD-9 codes: 78791. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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