O36.6
Maternal care for excessive fetal growth
Not billable — category only 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
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
O36.6code
Inclusion terms
- Maternal care for known or suspected large-for-dates
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 2
Alongside this code 8 same parent — O36
O36.0 Maternal care for rhesus isoimmunization category O36.1 Maternal care for other isoimmunization category O36.2 Maternal care for hydrops fetalis category O36.4 Maternal care for intrauterine death category O36.5 Maternal care for known or suspected poor fetal growth category O36.7 Maternal care for viable fetus in abdominal pregnancy category O36.8 Maternal care for other specified fetal problems category O36.9 Maternal care for fetal problem, unspecified category
Subordinate codes 4
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.