ICD-10 O10.211
Billable / SpecificPre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester
About ICD-10-CM O10.211
ICD-10-CM code O10.211 represents Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester. This is a billable/specific code in the Pregnancy, Childbirth, and Puerperium chapter (block O10). The 2026 edition of ICD-10-CM O10.211 became effective on October 1, 2025.
Coding Tips for O10.211
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
Most O codes require a 7th character indicating trimester (1 = first, 2 = second, 3 = third). Some require fetus identification character. Code O09 (supervision of high-risk pregnancy) is required as a secondary code when applicable.
Medicare LCD Coverage for O10.211
Local Coverage Determinations (LCDs) from CMS MACs that list O10.211 as a covered diagnosis.
Showing top 7. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing O10.211.
2 Cigna
2 Medicare
CPT Codes Commonly Billed with O10.211
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 O10.211 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 |
|---|---|---|
| O10.211 | 64221 | 10000 |
| O10.211 | 64223 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To O10.211
Other codes in section O10-O16 (Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium).
ICD-10 O10.211, Billing FAQ
Is ICD-10 code O10.211 billable? +
Yes, O10.211 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does O10.211 map to? +
Per CMS GEMs, O10.211 maps to ICD-9 codes: 64221, 64223. 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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