O15.9 – Eclampsia, unspecified as to time period

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

Billable code

ICD-10-CM code O15.9
Code
O15.9 (claims format: O159)
Description
Eclampsia, unspecified as to time period
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
O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
Parent codes
O15

Notes for O15.9

Applicable to:
  • Eclampsia NOS

Notes inherited from parent codes

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

O15 – Eclampsia

Includes:
  • convulsions following conditions in O10-O14 and O16

Index terms for O15.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in O15

Frequently asked questions

What is ICD-10 code O15.9?

O15.9 is the ICD-10-CM code for eclampsia, unspecified as to time period, in the block O10-O16 (Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium).

Is O15.9 a billable code?

Yes. O15.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does O15.9 belong to?

It belongs to category O15 – Eclampsia.

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.