ICD-10-CM · Chapter 15 · O00-O9A
O35 Maternal care for known or suspected fetal abnormality and damage
Includes
- 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 (cannot be coded together)
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
Code Also
- any associated maternal condition
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O35..0 | Maternal care for (suspected) central nervous system malformation in fetus | No |
| O35..00 | Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified | No |
| O35..01 | Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum | No |
| O35..02 | Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly | No |
| O35..03 | Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts | No |
| O35..04 | Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele | No |
| O35..05 | Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly | No |
| O35..06 | Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly | No |
| O35..07 | Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly | No |
| O35..08 | Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida | No |
| O35..09 | Maternal care for (suspected) other central nervous system malformation or damage in fetus | No |
| O35..1 | Maternal care for (suspected) chromosomal abnormality in fetus | No |
| O35..10 | Maternal care for (suspected) chromosomal abnormality in fetus, unspecified | No |
| O35..11 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13 | No |
| O35..12 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18 | No |
| O35..13 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21 | No |
| O35..14 | Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome | No |
| O35..15 | Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality | No |
| O35..19 | Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality | No |
| O35..A | Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies | No |
| O35..B | Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies | No |
| O35..C | Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies | No |
| O35..D | Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies | No |
| O35..E | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies | No |
| O35..F | Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk | No |
| O35..G | Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies | No |
| O35..H | Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies | No |
| O35..2 | Maternal care for (suspected) hereditary disease in fetus | No |
| O35..3 | Maternal care for (suspected) damage to fetus from viral disease in mother | No |
| O35..4 | Maternal care for (suspected) damage to fetus from alcohol | No |
| O35..5 | Maternal care for (suspected) damage to fetus by drugs | No |
| O35..6 | Maternal care for (suspected) damage to fetus by radiation | No |
| O35..7 | Maternal care for (suspected) damage to fetus by other medical procedures | No |
| O35..8 | Maternal care for other (suspected) fetal abnormality and damage | No |
| O35..9 | Maternal care for (suspected) fetal abnormality and damage, unspecified | No |
Last reviewed: September 2026