O35.1
Header — not billableMaternal care for (suspected) chromosomal abnormality in fetus
The ICD-10 code for maternal care for (suspected) chromosomal abnormality in fetus is O35.1.
O35.1 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under O35.1
- O35.10Maternal care for (suspected) chromosomal abnormality in fetus, unspecified
- O35.11Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13
- O35.12Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18
- O35.13Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21
- O35.14Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome
- O35.15Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality
- O35.19Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality
Related codes in this category
- O35.0Maternal care for (suspected) central nervous system malformation in fetusnon-billable header
- O35.2Maternal care for (suspected) hereditary disease in fetus
- O35.3Maternal care for (suspected) 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 (suspected) damage to fetus by other medical procedures
- O35.8Maternal care for other (suspected) fetal abnormality and damage
- O35.9Maternal care for (suspected) fetal abnormality and damage, unspecified
- O35.AMaternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies
- O35.BMaternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies
- O35.CMaternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies
- O35.DMaternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies
- O35.EMaternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies
- O35.FMaternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk
- O35.GMaternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies
- O35.HMaternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies
- O35.1Maternal care for (suspected) chromosomal abnormality in fetusnon-billable header