O63 – Long labor
ICD-10-CM 2027 diagnosis code · Complications of labor and delivery
ICD-10-CM code
O63
- Code
O63(claims format:O63)- Description
- Long labor
- Billable
- No – use a more specific code below
- 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
Billable codes under O63
O63 is a header code and cannot be used on claims. Choose the most specific code:
Frequently asked questions
What is ICD-10 code O63?
O63 is the ICD-10-CM code for long labor, in the block O60-O77 (Complications of labor and delivery).
Is O63 a billable code?
No. O63 is a header code with more specific child codes; report one of the billable codes listed above.
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.