O63
Non-Billable

Long labor

Non-Billable / Non-Specific Code

What is Long labor?

ICD-10-CM O63 is the diagnosis code for Long labor. This code falls under the section "Complications of labor and delivery" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for O63

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where O63 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 4 entries
O63.0Prolonged first stage (of labor)BillableO63.1Prolonged second stage (of labor)BillableO63.2Delayed delivery of second twin, triplet, etc.BillableO63.9Long labor, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is O63 a billable ICD-10-CM code?

No, O63 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O63 mean?

O63 is the ICD-10-CM diagnosis code for "Long labor". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is O63 in?

O63 is located in Section O60-O77 — "Complications of labor and delivery" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O63?

O63 has 4 sub-code(s) that provide more specific detail: O63.0, O63.1, O63.2, O63.9.

When should I use O63?

Use O63 when the patients documented diagnosis matches "Long labor" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Long labor?

The ICD-10-CM code for Long labor is O63.

Can O63 be used for primary diagnosis?

No, O63 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O63 in?

O63 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O63 valid for 2026?

Yes, O63 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO62.9Abnormality of forces of labor, unspecifiedNext →O63.0Prolonged first stage (of labor)
Code Details
O63
Long labor
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O60-O77 — Complications of labor and delivery
2026 ICD-10-CM