O48.1 – Prolonged pregnancy
ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems
ICD-10-CM code
O48.1
- Code
O48.1(claims format:O481)- Description
- Prolonged pregnancy
- 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
- O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Parent codes
- O48
Notes for O48.1
Applicable to:
- Pregnancy which has advanced beyond 42 completed weeks gestation
Index terms for O48.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Pregnancy, prolonged
- Postmaturity, postmature, maternal
- Prolonged, prolongation, pregnancy
- Post-term, more than 42 weeks gestation
- Post-dates, more than 42 weeks gestation
- Prolonged, prolongation, gestation, mother
- Pregnancy, postmature, more than 42 weeks gestation
- Pregnancy, complicated by, postmaturity, more than 42 completed weeks gestation
Related codes in O48
- O48.0 – Post-term pregnancyBillable
Frequently asked questions
What is ICD-10 code O48.1?
O48.1 is the ICD-10-CM code for prolonged pregnancy, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).
Is O48.1 a billable code?
Yes. O48.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does O48.1 belong to?
It belongs to category O48 – Late pregnancy.
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.