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O36 ICD-10-CM Code: Maternal care for other fetal problems

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

O36

Maternal care for other fetal problems

ICD-10-CM diagnosis code · United States clinical modification

Where O36 sits

  1. 1

    Chapter 15

    Pregnancy, childbirth and the puerperium (O00-O9A)

  2. 2

    Section

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

  3. 3

    Category O36

    Maternal care for other fetal problems

  4. 4

    Code O36

    Maternal care for other fetal problems

Codes under O36

O36 is a non-billable category. Choose the child code that best matches the documented diagnosis.

O36.0Maternal care for rhesus isoimmunizationO36.1Maternal care for other isoimmunizationO36.2Maternal care for hydrops fetalisO36.4Maternal care for intrauterine deathO36.5Maternal care for known or suspected poor fetal growthO36.6Maternal care for excessive fetal growthO36.7Maternal care for viable fetus in abdominal pregnancyO36.8Maternal care for other specified fetal problemsO36.9Maternal care for fetal problem, unspecified

Notes for this code

Inclusion terms

No inclusion terms are listed for O36.

Code first

No “code first” instruction is listed for O36.

Use additional code

No “use additional code” instruction is listed for O36.

Excludes1

Conditions that should not be reported together with this code.

  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
  • placental transfusion syndromes (O43.0-)

Excludes2

Conditions not included here that may be reported separately when present.

  • labor and delivery complicated by fetal stress (O77.-)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code O36 mean?

O36 is the FY 2027 U.S. ICD-10-CM code for “Maternal care for other fetal problems.”

Is O36 a billable or specific ICD-10-CM code?

No. O36 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is O36 located in ICD-10-CM?

O36 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) (O30–O48), under category O36, Maternal care for other fetal problems.

What coding notes are listed for O36?

No inclusion terms are listed for O36 in this reference record. No code-first instruction is listed. Excludes1 notes: encounter for suspected maternal and fetal conditions ruled out (Z03.7-); placental transfusion syndromes (O43.0-). Excludes2 notes: labor and delivery complicated by fetal stress (O77.-).