O13
Header — not billableGestational [pregnancy-induced] hypertension without significant proteinuria
The ICD-10 code for gestational [pregnancy-induced] hypertension without significant proteinuria is O13.
O13 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 6 more specific codes below.
Clinical notes
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- gestational hypertension NOS
- transient hypertension of pregnancy
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under 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
Related codes in this category
- O10Pre-existing hypertension complicating pregnancy, childbirth and the puerperiumnon-billable header
- O11Pre-existing hypertension with pre-eclampsianon-billable header
- O12Gestational [pregnancy-induced] edema and proteinuria without hypertensionnon-billable header
- O14Pre-eclampsianon-billable header
- O15Eclampsianon-billable header
- O16Unspecified maternal hypertensionnon-billable header
- O13Gestational [pregnancy-induced] hypertension without significant proteinurianon-billable header