O13.3
✓ Billable
Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O13.3
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O13.3?
ICD-10-CM code O13.3 represents Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimester. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O13.3 billable?
Yes. O13.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O13.3 in?
O13.3 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O13 category
O13
Gestational [pregnancy-induced] hypertension without significant proteinuria
Non-billable
O13.1
Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimester
Billable
O13.2
Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimester
Billable
O13.4
Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirth
Billable
O13.5
Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperium
Billable
O13.9
Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimester
Billable
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