O35.1
Non-billableMaternal care for chromosomal abnormality in fetus
Maternal care for (suspected) chromosomal abnormality in fetus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Code Also
A second code may be required; sequencing depends on circumstances
- any associated maternal condition
Child Codes (7)
O35.10Mat care chromosomal abnormality in fetus, unspecified
O35.11Mat care chromosomal abnormality in fetus, Trisomy 13
O35.12Mat care chromosomal abnormality in fetus, Trisomy 18
O35.13Mat care chromosomal abnormality in fetus, Trisomy 21
O35.14Mat care chromosomal abnormality in fetus, Turner Syndrome
O35.15Mat care chromosomal abnlt in fetus, sex chromosome abnlt
O35.19Mat care chromosomal abnlt in fetus, other chromosomal abnlt
Related Codes(10)
O35.0Maternal care for (suspected) cnsl malformation in fetus
O35.2Maternal care for (suspected) hereditary disease in fetus
O35.3Matern care for damage to fetus from viral disease in mother
O35.4Maternal care for (suspected) damage to fetus from alcohol
O35.5Maternal care for (suspected) damage to fetus by drugs
O35.6Maternal care for (suspected) damage to fetus by radiation
O35.7Maternal care for damage to fetus by oth medical procedures
O35.8Maternal care for oth fetal abnormality and damage
O35.9Maternal care for fetal abnormality and damage, unsp
O35.AMat care other fetal abnlt and damage, fetal facial anomal
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for maternal care for chromosomal abnormality in fetus?
The ICD-10-CM code for maternal care for chromosomal abnormality in fetus is O35.1. The full clinical description is "Maternal care for (suspected) chromosomal abnormality in fetus". O35.1 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O35.1 mean?
ICD-10-CM code O35.1 represents “Maternal care for (suspected) chromosomal abnormality in fetus”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O35.1 a billable code?
No, O35.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under O35.1.
What chapter is O35.1 in?
O35.1 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O35.1?
O35.1 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); encounter for suspected maternal and fetal conditions ruled out (Z03.7-).
What are the subcategories under O35.1?
O35.1 has 7 child codes, including: O35.10 (Mat care chromosomal abnormality in fetus, unspecified), O35.11 (Mat care chromosomal abnormality in fetus, Trisomy 13), O35.12 (Mat care chromosomal abnormality in fetus, Trisomy 18), O35.13 (Mat care chromosomal abnormality in fetus, Trisomy 21), and 3 more.
Are additional codes required with O35.1?
Yes, when using O35.1, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O35.1?
O35.1 is linked to 1 UMLS Concept Unique Identifier: C0495229. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O35.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like maternal care for chromosomal abnormality in fetus affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O35.1?
O35.1 maps to the ICD-11 code: JA85.1 (Maternal care for chromosomal abnormality in fetus).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.