ICD-10 B02.1
Billable / Specific MCCZoster meningitis
About ICD-10-CM B02.1
ICD-10-CM code B02.1 represents Zoster meningitis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B02). The 2026 edition of ICD-10-CM B02.1 became effective on October 1, 2025.
Coding Tips for B02.1
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
B02.1 is designated MCC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-MCC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag MCC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, MCC
codes Zoster meningitis. As a Major Complication/Comorbidity (MCC), this can shift the DRG assignment to a higher-weighted category, substantial reimbursement impact.
Medicare LCD Coverage for B02.1
Local Coverage Determinations (LCDs) from CMS MACs that list B02.1 as a covered diagnosis.
Showing top 10 of 625 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B02.1.
5 Medicare
CPT Codes Commonly Billed with B02.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 64448 CMS LCD: Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB) CMS LCD
- 64449 CMS LCD: Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB) CMS LCD
- 64416 CMS LCD: Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB) CMS LCD
- 64446 CMS LCD: Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB) CMS LCD
- 64447 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
- 64435 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
- 64445 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
- 64425 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
- 64408 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
- 62324 CMS LCD: Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy CMS LCD
Convert B02.1 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 |
|---|---|---|
| B02.1 | 0530 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B02.1
Other codes in section B00-B09 (Viral infections characterized by skin and mucous membrane lesions).
ICD-10 B02.1, Billing FAQ
Is ICD-10 code B02.1 billable? +
Yes, B02.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is B02.1 a CC or MCC for inpatient DRG? +
Yes, this code is designated as MCC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with B02.1? +
Procedures frequently paired with B02.1 include: 64448, 64449, 64416, 64446, 64447.
What ICD-9 codes does B02.1 map to? +
Per CMS GEMs, B02.1 maps to ICD-9 codes: 0530. 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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