O64
Obstructed labor due to malposition and malpresentation of fetus
O64 is a non-billable ICD-10-CM code category for obstructed labor due to malposition and malpresentation of fetus. 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 O64.0 Obstructed labor due to incomplete rotation of fetal head, O64.1 Obstructed labor due to breech presentation, O64.2 Obstructed labor due to face presentation, O64.3 Obstructed labor due to brow presentation and 4 more. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 4 Excludes2 entries.
7th characters
Every code below needs one of these.
One of the following 7th characters is to be assigned to each code under category O64. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O64 that has a 7th character of 1 through 9.
- 0not applicable or unspecified
- 1fetus 1
- 2fetus 2
- 3fetus 3
- 4fetus 4
- 5fetus 5
- 9other fetus
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 O64 8
- O64.0Obstructed labor due to incomplete rotation of fetal head7th char needed
- O64.1Obstructed labor due to breech presentation7th char needed
- O64.2Obstructed labor due to face presentation7th char needed
- O64.3Obstructed labor due to brow presentation7th char needed
- O64.4Obstructed labor due to shoulder presentation7th char needed
- O64.5Obstructed labor due to compound presentation7th char needed
- O64.8Obstructed labor due to other malposition and malpresentation7th char needed
- O64.9Obstructed labor due to malposition and malpresentation, unspecified7th char needed