O62.0 Primary inadequate contractions

The ICD-10-CM code for Primary inadequate contractions is O62.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O60-O77: Complications of labor and delivery (O60-O77)

Category O62

8 codes (7 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O62.0:

• Failure, failed › cervical dilatation in labor
• Dystocia › cervical (hypotonic) › primary
• Inertia › uterus, uterine during labor › during latent phase of labor
• Dilatation › cervix (uteri) › incomplete, poor, slow complicating delivery
• Delivery (childbirth) (labor) › cesarean (for) › poor dilatation, cervix
• Inertia › uterus, uterine during labor › primary
• Contraction (s), contracture, contracted › uterus › inadequate › primary
• Delivery (childbirth) (labor) › cesarean (for) › inertia, uterus › primary

Inclusion Terms

• Failure of cervical dilatation
• Primary hypotonic uterine dysfunction
• Uterine inertia during latent phase of labor

U.S. Hospital Utilization

• An estimated 69,310 U.S. inpatient stays in 2023 included O62.0 among the documented diagnoses.
• 9,620 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)