O41.813 ICD-10-CA code: Other specified disorders of amniotic fluid and membranes, first trimester, antepartum condition or complication

O41.813 is the ICD-10-CA code for “Other specified disorders of amniotic fluid and membranes, first trimester, antepartum condition or complication” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

O41.813

Other specified disorders of amniotic fluid and membranes, first trimester, antepartum condition or complication

Short description: Oth disrd amn fld 1st trim/antepartum

ICD-10-CA · Canada · Also written O41813

Notes for O41.813

As CIHI prints them, with any note O41.813 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Premature rupture of membranes (O42.-)From O41 Other disorders of amniotic fluid and membranes
  • Certain diseases or injuries complicating pregnancy, childbirth, and the puerperium classified elsewhere:external causes (for mortality) (V,W,X,Y)injury, poisoning and certain other consequences of external causes (S00-T88.1, T88.6-T98)mental and behavioural disorders associated with the puerperium (F53.-)obstetrical tetanus (A34)postpartum necrosis of pituitary gland (E23.0)puerperal osteomalacia (M83.0)supervision of:• high-risk pregnancy (Z35.-)• normal pregnancy (Z34.-)From Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99)

Note

  • The codes included in this chapter are to be used for conditions related to or aggravated by the pregnancy, childbirth or by the puerperium (maternal causes or obstetric causes)From Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99)

Where O41.813 sits

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code O41.813 mean?

O41.813 is the ICD-10-CA code for “Other specified disorders of amniotic fluid and membranes, first trimester, antepartum condition or complication” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is O41.813 in ICD-10-CA?

O41.813 sits under O41.81 Other specified disorders of amniotic fluid and membranes, first trimester, within O41.8 Other specified disorders of amniotic fluid and membranes, within O41 Other disorders of amniotic fluid and membranes, within O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems, within Chapter 15: Pregnancy, childbirth and the puerperium (O00-O99).

What coding notes apply to O41.813?

ICD-10-CA lists Excludes, Note notes for O41.813, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.