O35.0
Header — not billableMaternal care for (suspected) central nervous system malformation in fetus
The ICD-10 code for maternal care for (suspected) central nervous system malformation in fetus is O35.0.
O35.0 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- chromosomal abnormality in fetus (O35.1-)
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 O35.0
- O35.00Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified
- O35.01Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum
- O35.02Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly
- O35.03Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts
- O35.04Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele
- O35.05Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly
- O35.06Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly
- O35.07Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly
- O35.08Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida
- O35.09Maternal care for (suspected) other central nervous system malformation or damage in fetus
Related codes in this category
- O35.1Maternal care for (suspected) chromosomal abnormality 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
- O35.0Maternal care for (suspected) central nervous system malformation in fetusnon-billable header