MCMedicalCodingSoftware
O86.21

O86.21: Infection of kidney following delivery

Billable / specific codeICD-10-CM

O86.21 is a billable, specific ICD-10-CM code for infection of kidney following delivery. It is valid for submission on a claim.

Check O86.21 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above O86.21

Not part of this code, but both may be coded when both are present.

Written on O86: Other puerperal infections

  • infection during labor (O75.3)
  • obstetrical tetanus (A34)

Other codes that can never be billed with O86.21

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • N71Inflammatory disease of uterus, except cervix

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Puerperal, puerperium›perinephritis
  • Puerperal, puerperium›pyelitis
  • Puerperal, puerperium›pyelonephritis
  • Puerperal, puerperium›pyelonephrosis
  • Puerperal, puerperium›pyonephritis
  • Pyelitis›puerperal(postpartum)
  • Abscess›kidney›puerperal(postpartum)
  • Infection, infected, infective›kidney›puerperal(postpartum)
  • Puerperal, puerperium›abscess›kidney
  • Puerperal, puerperium›infection›kidney(bacillus coli)
  • Puerperal, puerperium›infection›renal
  • Puerperal, puerperium›infection›urinary NEC›kidney

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O86.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.