ICD-10 R19.04
Billable / SpecificLeft lower quadrant abdominal swelling, mass and lump
About ICD-10-CM R19.04
ICD-10-CM code R19.04 represents Left lower quadrant abdominal swelling, mass and lump. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R19). The 2026 edition of ICD-10-CM R19.04 became effective on October 1, 2025.
Medicare LCD Coverage for R19.04
Local Coverage Determinations (LCDs) from CMS MACs that list R19.04 as a covered diagnosis.
Showing top 10 of 182 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R19.04.
5 Medicare
CPT Codes Commonly Billed with R19.04
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert R19.04 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 |
|---|---|---|
| R19.04 | 78934 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R19.04
Other codes in section R10-R19 (Symptoms and signs involving the digestive system and abdomen).
ICD-10 R19.04, Billing FAQ
Is ICD-10 code R19.04 billable? +
Yes, R19.04 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does R19.04 map to? +
Per CMS GEMs, R19.04 maps to ICD-9 codes: 78934. 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 May 31, 2026.
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