O48
Non-billableLate pregnancy
Late pregnancy
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(4)
Frequently Asked Questions
What is the ICD-10 code for late pregnancy?
The ICD-10-CM code for late pregnancy is O48. The full clinical description is "Late pregnancy". O48 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O48 mean?
ICD-10-CM code O48 represents “Late pregnancy”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O48 a billable code?
No, O48 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under O48.
What chapter is O48 in?
O48 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O48?
O48 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O48?
O48 has 2 child codes, including: O48.0 (Post-term pregnancy), O48.1 (Prolonged pregnancy).
Are additional codes required with O48?
Yes, when using O48, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O48?
O48 is linked to 1 UMLS Concept Unique Identifier: C0878751. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O48 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like late pregnancy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O48?
O48 maps to the ICD-11 code: JA8E (Maternal care related to prolonged pregnancy).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.