O41

Non-Billable

ChapterO00–O9A

Rankcategory

Official Description

Other disorders of amniotic fluid and membranes

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.

Instructional Notes

Excludes1(Not coded here)

encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)

O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

O41Other disorders of amniotic fluid and membranes

O41.0Oligohydramnios

O41.1Infection of amniotic sac and membranes

O41.8Other specified disorders of amniotic fluid and membranes

O41.9Disorder of amniotic fluid and membranes, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O41:

chapterCH15

Pregnancy, childbirth and the puerperium (O00-O9A)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O41. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

22 raw paths

Chorioamnionitis1 unique routes

Direct index entry→O41

Cyst (colloid) (mucous) (simple) (retention)2 unique routes

amnion, amniotic→O41

chorion→O41

Fibrosis, fibrotic2 unique routes

amnion→O41

chorion→O41

Infection, infected, infective (opportunistic)4 unique routes

amniotic fluid, sac or cavity→O41(3 variants)

chorioamnionitis→O41

placentitis→O41

intrauterine inflammation→O41

Oligohydramnios1 unique routes

Direct index entry→O41

Placentitis1 unique routes

Direct index entry→O41

Pregnancy (single) (uterine)10 unique routes

complicated by (care of) (management affected by)(10 variants)

amnionitis→O41

chorioamnionitis→O41

deciduitis→O41

disorders of(2 variants)

amniotic fluid and membranes→O41(2 variants)

specified NEC→O41

infection (s)(2 variants)

amniotic fluid or sac→O41

Triple I1 unique routes

Direct index entry→O41

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Other disorders of amniotic fluid and membranes.

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