O65
Obstructed labor due to maternal pelvic abnormality
O65 is a non-billable ICD-10-CM code category for obstructed labor due to maternal pelvic abnormality. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are O65.0 Obstructed labor due to deformed pelvis, O65.1 Obstructed labor due to generally contracted pelvis, O65.2 Obstructed labor due to pelvic inlet contraction, O65.3 Obstructed labor due to pelvic outlet and mid-cavity contraction and 4 more. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 4 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
The trimester character comes from the provider's documentation for the current encounter. The unspecified trimester code should rarely be used.
Use additional code
Add the listed code as a secondary code, if known.
Also from chapter/block level (1 note)
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Also from chapter/block level (1 note)
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (4 notes)
Notes
Also from chapter/block level (6 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
More specific codes under O65 8
- O65.0Obstructed labor due to deformed pelvisBillable
- O65.1Obstructed labor due to generally contracted pelvisBillable
- O65.2Obstructed labor due to pelvic inlet contractionBillable
- O65.3Obstructed labor due to pelvic outlet and mid-cavity contractionBillable
- O65.4Obstructed labor due to fetopelvic disproportion, unspecifiedBillable
- O65.5Obstructed labor due to abnormality of maternal pelvic organsBillable
- O65.8Obstructed labor due to other maternal pelvic abnormalitiesBillable
- O65.9Obstructed labor due to maternal pelvic abnormality, unspecifiedBillable