O13 ICD-10-CM Code: Gestational [pregnancy-induced] hypertension without significant proteinuria
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
O13Gestational [pregnancy-induced] hypertension without significant proteinuria
ICD-10-CM diagnosis code · United States clinical modification
Where O13 sits
- 1
Chapter 15
Pregnancy, childbirth and the puerperium (O00-O9A)
- 2
Section
Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
- 3
Category O13
Gestational [pregnancy-induced] hypertension without significant proteinuria
- 4
Code O13
Gestational [pregnancy-induced] hypertension without significant proteinuria
Codes under O13
O13 is a non-billable category. Choose the child code that best matches the documented diagnosis.
O13.1Gestational [pregnancy-induced] hypertension without significant proteinuria, first trimesterO13.2Gestational [pregnancy-induced] hypertension without significant proteinuria, second trimesterO13.3Gestational [pregnancy-induced] hypertension without significant proteinuria, third trimesterO13.4Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirthO13.5Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating the puerperiumO13.9Gestational [pregnancy-induced] hypertension without significant proteinuria, unspecified trimesterNotes for this code
Inclusion terms
No inclusion terms are listed for O13.
Code first
No “code first” instruction is listed for O13.
Use additional code
No “use additional code” instruction is listed for O13.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for O13.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for O13.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code O13 mean?
O13 is the FY 2027 U.S. ICD-10-CM code for “Gestational [pregnancy-induced] hypertension without significant proteinuria.”
Is O13 a billable or specific ICD-10-CM code?
No. O13 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is O13 located in ICD-10-CM?
O13 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16) (O10–O16), under category O13, Gestational [pregnancy-induced] hypertension without significant proteinuria.
What coding notes are listed for O13?
No inclusion terms are listed for O13 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.