ICD-10 R93.421
Billable / SpecificAbnormal radiologic findings on diagnostic imaging of right kidney
About ICD-10-CM R93.421
ICD-10-CM code R93.421 represents Abnormal radiologic findings on diagnostic imaging of right kidney. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R93). The 2026 edition of ICD-10-CM R93.421 became effective on October 1, 2025.
Medicare LCD Coverage for R93.421
Local Coverage Determinations (LCDs) from CMS MACs that list R93.421 as a covered diagnosis.
Showing top 10 of 69 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R93.421.
5 Medicare
CPT Codes Commonly Billed with R93.421
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 R93.421 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 |
|---|---|---|
| R93.421 | 7935 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R93.421
Other codes in section R90-R94 (Abnormal findings on diagnostic imaging and in function studies, without diagnosis).
ICD-10 R93.421, Billing FAQ
Is ICD-10 code R93.421 billable? +
Yes, R93.421 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does R93.421 map to? +
Per CMS GEMs, R93.421 maps to ICD-9 codes: 7935. 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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