ICD-10 A32.89
Billable / Specific CCOther forms of listeriosis
About ICD-10-CM A32.89
ICD-10-CM code A32.89 represents Other forms of listeriosis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A32). The 2026 edition of ICD-10-CM A32.89 became effective on October 1, 2025.
Coding Tips for A32.89
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
A32.89 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.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under A32.89. Per CMS ICD-10-CM Tabular 2026.
- Listerial cerebral arteritis
Inpatient DRG Impact, CC
codes Other forms of listeriosis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for A32.89
Local Coverage Determinations (LCDs) from CMS MACs that list A32.89 as a covered diagnosis.
Showing top 10 of 28 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing A32.89.
1 Medicare
CPT Codes Commonly Billed with A32.89
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 70491 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70487 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70490 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70481 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70480 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70482 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70486 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70557 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70488 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70558 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
Convert A32.89 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 |
|---|---|---|
| A32.89 | 0270 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A32.89
Other codes in section A30-A49 (Other bacterial diseases).
ICD-10 A32.89, Billing FAQ
Is ICD-10 code A32.89 billable? +
Yes, A32.89 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 A32.89? +
ICD-10 A32.89 includes: Listerial cerebral arteritis.
Is A32.89 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 A32.89? +
Procedures frequently paired with A32.89 include: 70491, 70487, 70490, 70481, 70480.
What ICD-9 codes does A32.89 map to? +
Per CMS GEMs, A32.89 maps to ICD-9 codes: 0270. 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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