O26
Maternal care for other conditions predominantly related to pregnancy
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 7 never code together
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 10
O26.0 Excessive weight gain in pregnancy O26.1 Low weight gain in pregnancy O26.2 Pregnancy care for patient with recurrent pregnancy loss O26.3 Retained intrauterine contraceptive device in pregnancy O26.4 Herpes gestationis O26.5 Maternal hypotension syndrome O26.6 Liver & biliary trac disord in preg, chldbrth and the puerp O26.7 Sublux of symphysis (pubis) in preg, chldbrth and the puerp O26.8 Other specified pregnancy related conditions O26.9 Pregnancy related conditions, 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.