O36.0113
Maternal care for anti-D [Rh] antibodies, first trimester, fetus 3
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
7th character 7
0 not applicable or unspecified
1 fetus 1
2 fetus 2
3 fetus 3 this code
4 fetus 4
5 fetus 5
9 other fetus
Instructional notes 9
O36code
Includes
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
O36.0code
Inclusion terms
- Maternal care for Rh incompatibility (with hydrops fetalis)
O00-O9Achapter
Notes
- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Use additional code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.Z3A
Index entries leading here 5
- Isoimmunization NEC — see also Incompatibility
- Immunization — see also Vaccination
- Incompatibility
- Rh (factor)
- Pregnancy (single) (uterine) Z33.1
Alongside this code 6 same parent — O36.011
O36.0110 Maternal care for anti-D antibodies, first trimester, unsp O36.0111 Maternal care for anti-D antibodies, first tri, fetus 1 O36.0112 Maternal care for anti-D antibodies, first tri, fetus 2 O36.0114 Maternal care for anti-D antibodies, first tri, fetus 4 O36.0115 Maternal care for anti-D antibodies, first tri, fetus 5 O36.0119 Maternal care for anti-D antibodies, first trimester, oth
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.