All ICD10 Codes

O90

Non-Billable
ChapterO00–O9A
Rankcategory
Official Description

Complications of the puerperium, not elsewhere classified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O85-O92 Parent Instructions

Excludes2(Not included here)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • puerperal osteomalacia (M83.0)

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O85-O92Complications predominantly related to the puerperium (O85-O92)
O90Complications of the puerperium, not elsewhere classified
O90.0Disruption of cesarean delivery wound
O90.1Disruption of perineal obstetric wound
O90.2Hematoma of obstetric wound
O90.3Peripartum cardiomyopathy
O90.4Postpartum acute kidney failure
O90.5Postpartum thyroiditis
O90.6Postpartum mood disturbance
O90.8Other complications of the puerperium, not elsewhere classified
O90.9Complication of the puerperium, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O90:

blockO85-O92
Complications predominantly related to the puerperium (O85-O92)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O90. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Adhesions, adhesive (postinfective)1 unique routes
cervicovaginal
postpartal→O90
Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)1 unique routes
postpartum→O90
Anuria1 unique routes
puerperal→O90
Blues, postpartal2 unique routes
Direct index entry→O90
baby→O90
Breakdown1 unique routes
perineum→O90
Cardiomyopathy (familial) (idiopathic)2 unique routes
peripartum→O90
postpartum→O90
Complication (s) (from) (of)9 unique routes
cesarean delivery wound NEC→O90(3 variants)
disruption→O90
hematoma→O90
episiotomy, disruption→O90
obstetric(2 variants)
surgical wound NEC→O90(2 variants)
hematoma→O90
perineal repair (obstetrical) NEC→O90(3 variants)
disruption→O90
hematoma→O90
Dehiscence (of)3 unique routes
cesarean wound→O90
episiotomy→O90
perineal wound (postpartum)→O90
Disease, diseased1 unique routes
puerperal→O90
Disruption (of)3 unique routes
wound(3 variants)
episiotomy→O90
operation
cesarean→O90
perineal (obstetric)→O90
Dysphoria1 unique routes
postpartal→O90

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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