O13 Gestational hypertension without significant proteinuria
ICD-10-CM category O13 sits in Chapter 15 (Pregnancy, childbirth and the puerperium, O00-O9A). It contains 6 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in O13
| Code | Description |
|---|---|
O13.1 | Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester |
O13.2 | Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester |
O13.3 | Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester |
O13.4 | Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth |
O13.5 | Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium |
O13.9 | Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester |
Search within ICD-10-CM for O13 and related codes
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