ICD-10-CM · Chapter 15 · O00–O9A
O13
Gestational [pregnancy-induced] hypertension without significant proteinuria
Pregnancy, childbirth and the puerperium
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- O13
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 15 — Pregnancy, childbirth and the puerperium
- Category
- O13
- Specificity
- 3 characters
How coders use this code
ICD-10-CM O13 is a category (header) for gestational [pregnancy-induced] hypertension without significant proteinuria. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in O13
- O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
- O13.2Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
- O13.3Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
- O13.4Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
- O13.5Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
- O13.9Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester
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