ICD-10-CM Alphabetic Index · FY 2026 16 Entries
Dystocia in the ICD-10-CM Index ICD-10-CM
The main term Dystocia carries 16 index entries pointing to 11 ICD-10-CM codes. The default entry is O66.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
16
Index Entries
11
Codes Referenced
O66.9
Default Code
D
Letter
16 of 16 shown
ICD-10-CM
Index Entries Under Dystocia 16 entries · 11 codes
Dystocia O66.9
affecting newborn P03.1
cervical (hypotonic) O62.2
affecting newborn P03.6
primary O62.0
secondary O62.1
contraction ring O62.4
fetal O66.9
abnormality NEC O66.3
conjoined twins O66.3
oversize O66.2
maternal O66.9
positional O64.9 Non-billable
shoulder (girdle) O66.0
causing obstructed labor O66.0
uterine NEC O62.4
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
