I80.9

Phlebitis and thrombophlebitis of unspecified site

Billable / specific

I80.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from I80)

  • endophlebitis
  • inflammation, vein
  • periphlebitis
  • suppurative phlebitis

Excludes1

Not coded here — never report together with this code.

Excludes2

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

  • certain conditions originating in the perinatal period (P04-P96) (from I80)
  • certain infectious and parasitic diseases (A00-B99) (from I80)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I80)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I80)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from I80)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from I80)
  • neoplasms (C00-D49) (from I80)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I80)
  • systemic connective tissue disorders (M30-M36) (from I80)
  • transient cerebral ischemic attacks and related syndromes (G45.-) (from I80)

Code first

Sequence the underlying condition first.

  • , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7) (from I80)
  • phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-) (from I80)

Also known as

  • Inflammation, inflamed, inflammatory, vein, thrombotic
  • Phlebitis
  • Phlebitis, ulcerative
  • Thrombophlebitis

Parent code

  • I80Phlebitis and thrombophlebitisHeader

Related codes

  • I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremitiesHeader
  • I80.1Phlebitis and thrombophlebitis of femoral veinHeader
  • I80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremitiesHeader
  • I80.3Phlebitis and thrombophlebitis of lower extremities, unspecifiedBillable
  • I80.8Phlebitis and thrombophlebitis of other sitesBillable

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