ICD-10-CM O11.2 → ICD-9
Pre-existing hypertension with pre-eclampsia, second trimester
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 64221Approximate match
- 64223Approximate match
- 64271Approximate match
- 64273Approximate match