O10.2 – Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium

ICD-10-CM 2027 diagnosis code · Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium

Non-billable header

ICD-10-CM code O10.2

Code: O10.2 (claims format: O102)
Description: Pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium
Short description: Pre-existing hyp chronic kidney disease compl preg/chldbrth
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 15. Pregnancy, childbirth and the puerperium (O00-O9A)
Block: O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
Parent codes: O10

Billable codes under O10.2

O10.2 is a header code and cannot be used on claims. Choose the most specific code:

O10.21 – Pre-existing hypertensive chronic kidney disease complicating pregnancyHeader (more codes below)
O10.22 – Pre-existing hypertensive chronic kidney disease complicating childbirthBillable
O10.23 – Pre-existing hypertensive chronic kidney disease complicating the puerperiumBillable

Notes for O10.2

Applicable to:

Any condition in I12 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

Use additional code:

code from I12 to identify the type of hypertensive chronic kidney disease

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O10 – Pre-existing hypertension complicating pregnancy, childbirth and the puerperium

Includes:

pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

Excludes2 (not included here):

pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

Related codes in O10

Frequently asked questions

What is ICD-10 code O10.2?

O10.2 is the ICD-10-CM code for pre-existing hypertensive chronic kidney disease complicating pregnancy, childbirth and the puerperium, in the block O10-O16 (Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium).

Is O10.2 a billable code?

No. O10.2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does O10.2 belong to?

It belongs to category O10 – Pre-existing hypertension complicating pregnancy, childbirth and the puerperium.

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.