2026 ICD-10-CM Diagnosis Code O48Late pregnancy

ICD-10-CM Codes›O00-O9A›O30-O48›O48

ICD-10-CM O48
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

O48 is a non-billable ICD-10-CM category code for late pregnancy, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O48.0 and O48.1.

Code Identity

ICD-10-CM Code
O48
Billable Status
No — Non-Billable Category
Code Describes
Late pregnancy
Chapter
O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
CategoryO48Late pregnancy
This CodeO48Late pregnancy

Specific Coding for Late pregnancyOverview

Non-specific codes like O48 require more characters. Use one of these billable codes instead:

  • Use O48.0 for Post-term pregnancy

  • Use O48.1 for Prolonged pregnancy

Patient EducationClinical

Childbirth Problems

Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About O48Overview

Is O48 (Late pregnancy) a billable code?

No. This is a category header that groups the codes for late pregnancy, and headers cannot be submitted on claims. Claims for late pregnancy need a more specific code from this category, such as O48.0 and O48.1.