O12.15 Gestational proteinuria, complicating the puerperium

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 646.22 Unspecified renal disease in pregnancy, without mention of hypertension, delivered, with mention of postpartum complication (approximate)
• 646.24 Unspecified renal disease in pregnancy, without mention of hypertension, 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 O12.15

Back-references to O12.1

• Type 1 Excludes: R80 Proteinuria ("gestational proteinuria (O12.1-)")

Back-references to O12

• Type 2 Excludes: O99.4 Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium ("hypertensive disorders (O10-O16)")

Diagnosis Index entries for O12.15

• Proteinuria › gestational › complicating › puerperium
• Proteinuria › puerperal
• Puerperal, puerperium (complicated by, complications) › gestational › proteinuria

Nearby codes

• O12.10 Gestational proteinuria, unspecified trimester
• O12.11 Gestational proteinuria, first trimester
• O12.12 Gestational proteinuria, second trimester
• O12.13 Gestational proteinuria, third trimester
• O12.14 Gestational proteinuria, complicating childbirth
• O12.15 Gestational proteinuria, complicating the puerperium (this code)
• O12.2 Gestational edema with proteinuria
• O12.20 Gestational edema with proteinuria, unspecified trimester
• O12.21 Gestational edema with proteinuria, first trimester
• O12.22 Gestational edema with proteinuria, second trimester
• O12.23 Gestational edema with proteinuria, third trimester