O13.9
O13.9 — Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester
Billable / specific codeICD-10-CM
O13.9 is a billable, specific ICD-10-CM code for gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester. It is valid for submission on a claim.
Risk adjustment
O13.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How O13.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to O13.9.
- Hypertension, hypertensive›complicating›puerperium, pre-existing›pregnancy-induced
Related codes at this level
Codes that share O13. If O13.9 is not quite right, the correct code is usually one of these.
- 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
Questions about O13.9
- Is O13.9 a billable ICD-10-CM code?
- Yes. O13.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does O13.9 sit in the tabular list?
- Pregnancy, childbirth and the puerperium (O00-O9A), in the block Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16).