ICD-10-CM O13.1 → ICD-9
Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- 64231Approximate match
- 64232Approximate match
- 64233Approximate match
- 64234Approximate match