ICD-10 Code for Dystocia
The ICD-10-CM code for dystocia is O66.9 — Obstructed labor, unspecified. This is the code the Alphabetic Index gives for dystocia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
O66.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which dystocia code should you use?
The Alphabetic Index lists 11 codes under Dystocia. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| affecting newborn | P03.1 | Newborn affected by other malpresentation, malposition and disproportion during labor and delivery | |
| cervical | O62.2 | Other uterine inertia | |
| contraction ring | O62.4 | Hypertonic, incoordinate, and prolonged uterine contractions | |
| fetal | O66.9 | Obstructed labor, unspecified | |
| maternal | O66.9 | Obstructed labor, unspecified | |
| positional | O64.9 | Obstructed labor due to malposition and malpresentation, unspecified | not billable |
| shoulder | O66.0 | Obstructed labor due to shoulder dystocia | |
| uterine NEC | O62.4 | Hypertonic, incoordinate, and prolonged uterine contractions |
Dystocia cervical
Dystocia fetal
Dystocia shoulder
| causing obstructed labor | O66.0 | Obstructed labor due to shoulder dystocia |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources