ICDwise
O36 ⚠ Non-billable

Maternal care for other fetal problems

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

Code
O36
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.

Includes
  • the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Excludes1 — never code together
  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
  • placental transfusion syndromes (O43.0-)
Excludes2 — not included here, but may code together
  • labor and delivery complicated by fetal stress (O77.-)
7th character
  • One of the following 7th characters is to be assigned to each code under category O36. 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 O36 that has a 7th character of 1 through 9.

Frequently asked questions

What is ICD-10 code O36?
ICD-10-CM code O36 represents Maternal care for other fetal problems. 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 O36 billable?
No. O36 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O36 in?
O36 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.

Related codes in the O36 category

O36.0 Maternal care for rhesus isoimmunization Non-billable O36.01 Maternal care for anti-D [Rh] antibodies Non-billable O36.09 Maternal care for other rhesus isoimmunization Non-billable O36.011 Maternal care for anti-D [Rh] antibodies, first trimester Non-billable O36.012 Maternal care for anti-D [Rh] antibodies, second trimester Non-billable O36.013 Maternal care for anti-D [Rh] antibodies, third trimester Non-billable O36.019 Maternal care for anti-D [Rh] antibodies, unspecified trimester Non-billable O36.091 Maternal care for other rhesus isoimmunization, first trimester Non-billable

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