ICD-10 R45.84
Billable / SpecificAnhedonia
About ICD-10-CM R45.84
ICD-10-CM code R45.84 represents Anhedonia. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R45). The 2026 edition of ICD-10-CM R45.84 became effective on October 1, 2025.
Medicare LCD Coverage for R45.84
Local Coverage Determinations (LCDs) from CMS MACs that list R45.84 as a covered diagnosis.
Showing top 10 of 225 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R45.84.
5 Medicare
CPT Codes Commonly Billed with R45.84
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 R45.84 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 |
|---|---|---|
| R45.84 | 78099 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R45.84
Other codes in section R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
ICD-10 R45.84, Billing FAQ
Is ICD-10 code R45.84 billable? +
Yes, R45.84 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does R45.84 map to? +
Per CMS GEMs, R45.84 maps to ICD-9 codes: 78099. 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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