O12

Non-Billable

ChapterO00–O9A

Rankcategory

Official Description

Gestational [pregnancy-induced] edema and proteinuria without hypertension

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here)

supervision of normal pregnancy (Z34.-)

Excludes2(Not included here)

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use Additional Code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O10-O16Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)

O12Gestational [pregnancy-induced] edema and proteinuria without hypertension

O12.0Gestational edema

O12.1Gestational proteinuria

O12.2Gestational edema with proteinuria

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O12:

chapterCH15

Pregnancy, childbirth and the puerperium (O00-O9A)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O12. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

16 raw paths

Delivery (childbirth) (labor)3 unique routes

complicated(3 variants)

by(3 variants)

gestational(3 variants)

edema→O12(2 variants)

with proteinuria→O12

proteinuria→O12

Pregnancy (single) (uterine)5 unique routes

complicated by (care of) (management affected by)(5 variants)

albuminuria→O12

edema→O12(2 variants)

with

proteinuria→O12

proteinuria (gestational)→O12(2 variants)

with edema→O12

Proteinuria5 unique routes

gestational(4 variants)

complicating(4 variants)

childbirth→O12

pregnancy→O12(2 variants)

with edema→O12

puerperium→O12

puerperal→O12

Puerperal, puerperium (complicated by, complications)3 unique routes

gestational(3 variants)

edema→O12(2 variants)

with proteinuria→O12

proteinuria→O12

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Gestational [pregnancy-induced] edema and proteinuria without hypertension.

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