ICD-10 A88.0
Billable / Specific CCEnteroviral exanthematous fever [Boston exanthem]
About ICD-10-CM A88.0
ICD-10-CM code A88.0 represents Enteroviral exanthematous fever [Boston exanthem]. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A88). The 2026 edition of ICD-10-CM A88.0 became effective on October 1, 2025.
Coding Tips for A88.0
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
A88.0 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Enteroviral exanthematous fever [Boston exanthem]. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for A88.0
Local Coverage Determinations (LCDs) from CMS MACs that list A88.0 as a covered diagnosis.
Showing top 10 of 17 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing A88.0.
1 Cigna
2 Medicare
Convert A88.0 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 |
|---|---|---|
| A88.0 | 048 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A88.0
Other codes in section A80-A89 (Viral and prion infections of the central nervous system).
ICD-10 A88.0, Billing FAQ
Is ICD-10 code A88.0 billable? +
Yes, A88.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is A88.0 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with A88.0? +
Procedures frequently paired with A88.0 include: Q9953, A9585.
What ICD-9 codes does A88.0 map to? +
Per CMS GEMs, A88.0 maps to ICD-9 codes: 048. 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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