N85.A

Isthmocele

Billable / specific

N85.A is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Isthmocele (non-pregnant state)

Excludes1

Not coded here — never report together with this code.

  • maternal care for cesarean scar defect (isthmocele) (O34.22)
  • endometriosis (N80.-) (from N85)
  • inflammatory diseases of uterus (N71.-) (from N85)
  • noninflammatory disorders of cervix, except malposition (N86-N88) (from N85)
  • polyp of corpus uteri (N84.0) (from N85)
  • uterine prolapse (N81.-) (from N85)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from N85)
  • certain infectious and parasitic diseases (A00-B99) (from N85)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N85)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N85)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from N85)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from N85)
  • neoplasms (C00-D49) (from N85)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N85)

Code also

An additional code may be needed.

  • any associated conditions such as:
  • abnormal uterine and vaginal bleeding, unspecified (N93.9)
  • female infertility of uterine origin (N97.2)
  • pelvic and perineal pain (R10.2-)

Also known as

  • Isthmocele (non-pregnant state)
  • Cesarean delivery, previous, affecting management of pregnancy, isthmocele
  • Cesarean delivery, previous, affecting management of pregnancy, scar, defect

Parent code

  • N85Other noninflammatory disorders of uterus, except cervixHeader

Related codes

  • N85.0Endometrial hyperplasiaHeader
  • N85.2Hypertrophy of uterusBillable
  • N85.3Subinvolution of uterusBillable
  • N85.4Malposition of uterusBillable
  • N85.5Inversion of uterusBillable
  • N85.6Intrauterine synechiaeBillable
  • N85.7HematometraBillable
  • N85.8Other specified noninflammatory disorders of uterusBillable
  • N85.9Noninflammatory disorder of uterus, unspecifiedBillable

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