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I80Non-billableSave

I80 - Phlebitis and thrombophlebitis

ICD-10-CM Chapter 9: Diseases of the circulatory system · I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89) · Top-level category · FY2027

Coding Guidance

I80 is a non-billable heading. Report one of the 6 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom I80

Conditions this code covers.

  • endophlebitis
  • inflammation, vein
  • periphlebitis
  • suppurative phlebitis
Excludes 1 — Not Coded HereFrom I80

Mutually exclusive: these conditions are never reported together with this code.

  • venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)
Code FirstFrom I80

Sequence the underlying condition before this code.

  • , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7)
  • phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)
Excludes 2 — Not Included HereFrom Chapter I00-I99

Not part of this code; report both codes when the patient has both conditions.

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

More Specific Codes (6)

I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremities→I80.1Phlebitis and thrombophlebitis of femoral vein→I80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities→I80.3Phlebitis and thrombophlebitis of lower extremities, unspecified→I80.8Phlebitis and thrombophlebitis of other sites→I80.9Phlebitis and thrombophlebitis of unspecified site→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I80.