ICDwise
O41 ⚠ Non-billable

Other disorders of amniotic fluid and membranes

ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium

Code
O41
System
ICD-10-CM
Billable
No — use specific code
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.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Excludes1 — never code together
  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
7th character
  • One of the following 7th characters is to be assigned to each code under category O41. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O41 that has a 7th character of 1 through 9.

Frequently asked questions

What is ICD-10 code O41?
ICD-10-CM code O41 represents Other disorders of amniotic fluid and membranes. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O41 billable?
No. O41 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O41 in?
O41 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.

Related codes in the O41 category

O41.0 Oligohydramnios Non-billable O41.1 Infection of amniotic sac and membranes Non-billable O41.00 Oligohydramnios, unspecified trimester Non-billable O41.01 Oligohydramnios, first trimester Non-billable O41.02 Oligohydramnios, second trimester Non-billable O41.03 Oligohydramnios, third trimester Non-billable O41.10 Infection of amniotic sac and membranes, unspecified Non-billable O41.101 Infection of amniotic sac and membranes, unspecified, first trimester Non-billable

Search all 98,186 ICD-10-CM codes instantly

Search ICDwise →