ICD-10 R10.31
Billable / SpecificRight lower quadrant pain
About ICD-10-CM R10.31
ICD-10-CM code R10.31 represents Right lower quadrant pain. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R10). The 2026 edition of ICD-10-CM R10.31 became effective on October 1, 2025.
Medicare LCD Coverage for R10.31
Local Coverage Determinations (LCDs) from CMS MACs that list R10.31 as a covered diagnosis.
Showing top 10 of 901 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R10.31.
5 Medicare
CPT Codes Commonly Billed with R10.31
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 74177 CT abdomen/pelvis with contrast — abdominal pain, colon cancer staging, liver mets, cholelithiasis, pancreatitis, chronic pancreatitis, pancreatic cancer, hepatomegaly, splenomegaly, abnormal imaging Radiology
Convert R10.31 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 |
|---|---|---|
| R10.31 | 78903 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R10.31
Other codes in section R10-R19 (Symptoms and signs involving the digestive system and abdomen).
ICD-10 R10.31, Billing FAQ
Is ICD-10 code R10.31 billable? +
Yes, R10.31 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with R10.31? +
Procedures frequently paired with R10.31 include: 74177.
What ICD-9 codes does R10.31 map to? +
Per CMS GEMs, R10.31 maps to ICD-9 codes: 78903. 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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