Is O10.21 a billable code?
No. O10.21 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O10.21: Pre-existing hypertensive chronic kidney disease complicating pregnancy
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O10.21 groups related diagnoses under pre-existing hypertensive chronic kidney disease complicating pregnancy. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under O10.21
- O10.211Pre-existing hypertensive chronic kidney disease complicating pregnancy, first trimester
- O10.212Pre-existing hypertensive chronic kidney disease complicating pregnancy, second trimester
- O10.213Pre-existing hypertensive chronic kidney disease complicating pregnancy, third trimester
- O10.219Pre-existing hypertensive chronic kidney disease complicating pregnancy, unspecified trimester
Other codes in O10.2 Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
O10.21 questions
What does O10.21 mean?
O10.21 is the ICD-10-CM code for Pre-existing hypertensive chronic kidney disease complicating pregnancy. It is in chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.