ICD-10 R10.0
Billable / SpecificAcute abdomen
About ICD-10-CM R10.0
ICD-10-CM code R10.0 represents Acute abdomen. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R10). The 2026 edition of ICD-10-CM R10.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R10.0. Per CMS ICD-10-CM Tabular 2026.
- Severe abdominal pain (generalized) (with abdominal rigidity)
Type 1 Excludes
Pure excludes, these codes can never be coded together with R10.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- abdominal rigidity NOS (R19.3)
- generalized abdominal pain NOS (R10.84)
- localized abdominal pain (R10.1-R10.3-)
Medicare LCD Coverage for R10.0
Local Coverage Determinations (LCDs) from CMS MACs that list R10.0 as a covered diagnosis.
Showing top 10 of 705 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R10.0.
5 Aetna
5 Medicare
CPT Codes Commonly Billed with R10.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert R10.0 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 |
|---|---|---|
| R10.0 | 78900 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R10.0
Other codes in section R10-R19 (Symptoms and signs involving the digestive system and abdomen).
ICD-10 R10.0, Billing FAQ
Is ICD-10 code R10.0 billable? +
Yes, R10.0 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 R10.0? +
ICD-10 R10.0 includes: Severe abdominal pain (generalized) (with abdominal rigidity).
What codes are Type 1 Excludes for R10.0? +
Type 1 Excludes (never code together with R10.0): abdominal rigidity NOS (R19.3); generalized abdominal pain NOS (R10.84); localized abdominal pain (R10.1-R10.3-)
What CPT codes are commonly billed with R10.0? +
Procedures frequently paired with R10.0 include: 10021, 10022, 10060, 10120.
What ICD-9 codes does R10.0 map to? +
Per CMS GEMs, R10.0 maps to ICD-9 codes: 78900. 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 June 1, 2026.
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