O15.2 Eclampsia complicating the puerperium

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from O15 Eclampsia

Includes

• convulsions following conditions in O10-O14 and O16

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 642.44 Mild or unspecified pre-eclampsia, postpartum condition or complication (approximate)
• 642.64 Eclampsia, postpartum condition or complication (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Code annotations containing back-references to O15.2

Back-references to O15

• Type 1 Excludes: I10 Essential (primary) hypertension ("hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)")
• Use Additional: I16.1 Hypertensive emergency ("eclampsia (O15.-)")
• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("hypertensive disorders (O10-O16)")

Diagnosis Index entries for O15.2

• Eclampsia, eclamptic (coma) (convulsions) (delirium) (with hypertension) NEC › complicating › postpartum
• Eclampsia, eclamptic (coma) (convulsions) (delirium) (with hypertension) NEC › complicating › puerperium
• Puerperal, puerperium (complicated by, complications) › eclampsia (with pre-existing hypertension)
• Puerperal, puerperium (complicated by, complications) › toxemia (eclamptic) (pre-eclamptic) (with convulsions)

Nearby codes

• O15.0 Eclampsia complicating pregnancy
• O15.00 Eclampsia complicating pregnancy, unspecified trimester
• O15.02 Eclampsia complicating pregnancy, second trimester
• O15.03 Eclampsia complicating pregnancy, third trimester
• O15.1 Eclampsia complicating labor
• O15.2 Eclampsia complicating the puerperium (this code)
• O15.9 Eclampsia, unspecified as to time period