InnovaRx Innova Health Strategies

O90.1

Disruption of perineal obstetric wound

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 8 never code together
O85-O92block
Excludes2
  • mental and behavioral disorders associated with the puerperium (F53.-)F53.-
  • obstetrical tetanus (A34)A34
  • puerperal osteomalacia (M83.0)M83.0
O00-O9Achapter
Excludes1
  • supervision of normal pregnancy (Z34.-)Z34.-
Excludes2
  • mental and behavioral disorders associated with the puerperium (F53.-)F53.-
  • obstetrical tetanus (A34)A34
  • postpartum necrosis of pituitary gland (E23.0)E23.0
  • puerperal osteomalacia (M83.0)M83.0

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 10
O90.1code
Inclusion terms
  • Disruption of wound of episiotomy
  • Disruption of wound of perineal laceration
  • Secondary perineal tear
O00-O9Achapter
Notes
  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • 1st trimester- less than 14 weeks 0 days
  • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • 3rd trimester- 28 weeks 0 days until delivery
Use additional code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.Z3A
Index entries leading here 7
  • Breakdown
  • Complication (s) (from) (of)
    • episiotomy, disruption O90.1
    • perineal repair (obstetrical) NEC O90.89
  • Dehiscence (of)
    • episiotomy O90.1
    • perineal wound (postpartum) O90.1
  • Puerperal, puerperium (complicated by, complications)
    • disruption
      • perineal laceration wound O90.1
      • episiotomy wound O90.1
    • secondary perineal tear O90.1
  • Disruption (of)
  • Laceration
  • Tear, torn (traumatic) — see also Laceration
    • perineal, secondary O90.1
Alongside this code 8 same parent — O90
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

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This code

Billable
yes
Code set
FY2026
Parent
O90
Block
O85-O92
Siblings
8

Present FY2024–FY2027.