O26.642 – Intrahepatic cholestasis of pregnancy, second trimester
ICD-10-CM 2027 diagnosis code · Other maternal disorders predominantly related to pregnancy
ICD-10-CM code
O26.642
- Code
O26.642(claims format:O26642)- Description
- Intrahepatic cholestasis of pregnancy, second trimester
- 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
- O20-O29 Other maternal disorders predominantly related to pregnancy
- Parent codes
- O26 › O26.6 › O26.64
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
O26.6 – Liver and biliary tract disorders in pregnancy, childbirth and the puerperium
Excludes2 (not included here):
- hepatorenal syndrome following labor and delivery (O90.41)
Use additional code:
- code to identify the specific disorder
O26.64 – Intrahepatic cholestasis of pregnancy
Use additional code:
- code for hepatic obstruction (K76.89)
Block O20-O29
Related codes in O26.64
Frequently asked questions
What is ICD-10 code O26.642?
O26.642 is the ICD-10-CM code for intrahepatic cholestasis of pregnancy, second trimester, in the block O20-O29 (Other maternal disorders predominantly related to pregnancy).
Is O26.642 a billable code?
Yes. O26.642 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does O26.642 belong to?
It belongs to category O26 – Maternal care for other conditions predominantly related to 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.