ICD-10 Z22.330
Billable / SpecificCarrier of Group B streptococcus
About ICD-10-CM Z22.330
ICD-10-CM code Z22.330 represents Carrier of Group B streptococcus. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z22). The 2026 edition of ICD-10-CM Z22.330 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with Z22.330. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-)
Medicare LCD Coverage for Z22.330
Local Coverage Determinations (LCDs) from CMS MACs that list Z22.330 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 Z22.330.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z22.330 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z22.330
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 Z22.330 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 |
|---|---|---|
| Z22.330 | V0251 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z22.330
Other codes in section Z20-Z29 (Persons with potential health hazards related to communicable diseases).
ICD-10 Z22.330, Billing FAQ
Is ICD-10 code Z22.330 billable? +
Yes, Z22.330 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for Z22.330? +
Type 1 Excludes (never code together with Z22.330): Carrier of streptococcus group B (GBS) complicating pregnancy, childbirth and the puerperium (O99.82-)
What ICD-9 codes does Z22.330 map to? +
Per CMS GEMs, Z22.330 maps to ICD-9 codes: V0251. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team