NPI Atlas

O63.9 – Long labor, unspecified

ICD-10-CM 2027 diagnosis code · Complications of labor and delivery

Billable code

ICD-10-CM code O63.9

Code: O63.9 (claims format: O639)
Description: Long labor, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O60-O77 Complications of labor and delivery
Parent codes: O63

Notes for O63.9

Applicable to:

Prolonged labor NOS

Index terms for O63.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in O63

O63.0 – Prolonged first stage (of labor)Billable
O63.1 – Prolonged second stage (of labor)Billable
O63.2 – Delayed delivery of second twin, triplet, etc.Billable

Frequently asked questions

What is ICD-10 code O63.9?

O63.9 is the ICD-10-CM code for long labor, unspecified, in the block O60-O77 (Complications of labor and delivery).

Is O63.9 a billable code?

Yes. O63.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O63.9 belong to?

It belongs to category O63 – Long labor.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.