O36.5910
Maternal care for other known or suspected poor fetal growth, first trimester, not applicable or unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 6 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
7th character 7
0 not applicable or unspecified this code
1 fetus 1
2 fetus 2
3 fetus 3
4 fetus 4
5 fetus 5
9 other fetus
Instructional notes 8
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
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 3
Alongside this code 6 same parent — O36.591
O36.5911 Matern care for oth or susp poor fetl grth, 1st tri, fts1 O36.5912 Matern care for oth or susp poor fetl grth, 1st tri, fts2 O36.5913 Matern care for oth or susp poor fetl grth, 1st tri, fts3 O36.5914 Matern care for oth or susp poor fetl grth, 1st tri, fts4 O36.5915 Matern care for oth or susp poor fetl grth, 1st tri, fts5 O36.5919 Matern care for oth or susp poor fetl grth, 1st tri, 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.