O90.49 Other postpartum acute kidney failure

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

Applicable to

• Postpartum acute kidney failure
• Puerperal anuria
• Puerperal oliguria

Applies from O90.4 Postpartum acute kidney failure

Excludes1 (never code together)

• anuria and oliguria (R34)

MS-DRG index

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

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 O90.49

Back-references to O90.49

• Type 2 Excludes: O99.8 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium ("postpartum acute kidney failure (O90.49)")
• Type 1 Excludes: R34 Anuria and oliguria ("anuria and oliguria complicating the puerperium (O90.49)")

Diagnosis Index entries for O90.49

• Anuria › puerperal
• Failure, failed › renal › following › labor and delivery (acute)
• Oliguria › puerperal
• Puerperal, puerperium (complicated by, complications) › failure › renal, acute
• Puerperal, puerperium (complicated by, complications) › necrosis, liver (acute) (subacute) (conditions in subcategory K72.0) › with renal failure
• Puerperal, puerperium (complicated by, complications) › renal › failure
• Puerperal, puerperium (complicated by, complications) › uremia (due to renal failure)

Nearby codes

• O90.1 Disruption of perineal obstetric wound
• O90.2 Hematoma of obstetric wound
• O90.3 Peripartum cardiomyopathy
• O90.4 Postpartum acute kidney failure
• O90.41 Hepatorenal syndrome following labor and delivery
• O90.49 Other postpartum acute kidney failure (this code)
• O90.5 Postpartum thyroiditis
• O90.6 Postpartum mood disturbance
• O90.8 Other complications of the puerperium, not elsewhere classified
• O90.81 Anemia of the puerperium
• O90.89 Other complications of the puerperium, not elsewhere classified