O64.0
Obstructed labor due to incomplete rotation of fetal head
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.
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 12
O64.0code
Inclusion terms
- Deep transverse arrest
- Obstructed labor due to persistent occipitoiliac (position)
- Obstructed labor due to persistent occipitoposterior (position)
- Obstructed labor due to persistent occipitosacral (position)
- Obstructed labor due to persistent occipitotransverse (position)
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 3
- Arrest, arrested
- Transverse — see also condition
- arrest (deep) , in labor O64.0
- Delivery (childbirth) (labor)
Alongside this code 7 same parent — O64
O64.1 Obstructed labor due to breech presentation category O64.2 Obstructed labor due to face presentation category O64.3 Obstructed labor due to brow presentation category O64.4 Obstructed labor due to shoulder presentation category O64.5 Obstructed labor due to compound presentation category O64.8 Obstructed labor due to oth malposition and malpresentation category O64.9 Obstructed labor due to malposition and malpresent, unsp category
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.