ICD-10 B88.9
Billable / SpecificInfestation, unspecified
About ICD-10-CM B88.9
ICD-10-CM code B88.9 represents Infestation, unspecified. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B88). The 2026 edition of ICD-10-CM B88.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under B88.9. Per CMS ICD-10-CM Tabular 2026.
- Infestation (skin) NOS
- Infestation by mites NOS
- Skin parasites NOS
Medicare LCD Coverage for B88.9
Local Coverage Determinations (LCDs) from CMS MACs that list B88.9 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B88.9.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but B88.9 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with B88.9
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 B88.9 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 |
|---|---|---|
| B88.9 | 1349 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B88.9
Other codes in section B85-B89 (Pediculosis, acariasis and other infestations).
ICD-10 B88.9, Billing FAQ
Is ICD-10 code B88.9 billable? +
Yes, B88.9 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 B88.9? +
ICD-10 B88.9 includes: Infestation (skin) NOS; Infestation by mites NOS; Skin parasites NOS.
What ICD-9 codes does B88.9 map to? +
Per CMS GEMs, B88.9 maps to ICD-9 codes: 1349. 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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