O09
Supervision of high risk pregnancy
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 5 never code together
O00-O9Achapter
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 7
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 filed at null
No alphabetic index entry points at this code.
Subordinate codes 11
O09.0 Supervision of pregnancy with history of infertility O09.1 Supervision of pregnancy with history of ectopic pregnancy O09.A Supervision of pregnancy with history of molar pregnancy O09.2 Suprvsn of pregnancy w poor reprodctv or obstetric history O09.3 Supervision of pregnancy with insufficient antenatal care O09.4 Supervision of pregnancy with grand multiparity O09.5 Supervision of elderly primigravida and multigravida O09.6 Supervision of young primigravida and multigravida O09.7 Supervision of high risk pregnancy due to social problems O09.8 Supervision of other high risk pregnancies O09.9 Supervision of high risk pregnancy, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.