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U.S. ICD-10-CM · FY 2027

O35.15X1 ICD-10-CM Code: Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 1

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

Code definition

Official description

O35.15X1

Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 1

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

Classification

Where O35.15X1 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 O35

    Maternal care for known or suspected fetal abnormality and damage

  4. 4

    Subcategory O35.15

    Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality

  5. 5

    Code O35.15X1

    Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 1

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for O35.15X1.

Code first

No “code first” instruction is listed for O35.15X1.

Use additional code

No “use additional code” instruction is listed for O35.15X1.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for O35.15X1.

Excludes2

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

No Excludes2 note is listed for O35.15X1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code O35.15X1 mean?

O35.15X1 is the FY 2027 U.S. ICD-10-CM code for “Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 1.”

Is O35.15X1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, O35.15X1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is O35.15X1 located in ICD-10-CM?

O35.15X1 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 O35, Maternal care for known or suspected fetal abnormality and damage and subcategory O35.15, Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality.

What coding notes are listed for O35.15X1?

No inclusion terms are listed for O35.15X1 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related O35.15 codes

O35.15X0

Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, not applicable or unspecified

O35.15X2

Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 2

O35.15X3

Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality, fetus 3

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