All ICD10 Codes

I80

Non-Billable
ChapterI00–I99
Rankcategory
Description

Phlebitis and thrombophlebitis

About ICD-10-CM code I80

Under I00-I99 Diseases of the Circulatory System, within Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89), ICD-10-CM code I80 describes Phlebitis and thrombophlebitis. This code cannot be billed directly because more specific child codes exist beneath it.

Use a more specific code (3 billable, 3 non-billable)
I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremitieshas subcodesI80.1Phlebitis and thrombophlebitis of femoral veinhas subcodesI80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremitieshas subcodesI80.3Phlebitis and thrombophlebitis of lower extremities, unspecifiedI80.8Phlebitis and thrombophlebitis of other sitesI80.9Phlebitis and thrombophlebitis of unspecified site
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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.-)

Instructional Notes

Includes
  • endophlebitis
  • inflammation, vein
  • periphlebitis
  • suppurative phlebitis
Excludes1(Not coded here. Use a different code.)
Code First
  • , 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.-)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
I80Phlebitis and thrombophlebitisNot billable
I80.0Phlebitis and thrombophlebitis of superficial vessels of lower extremitiesSubcodes
I80.1Phlebitis and thrombophlebitis of femoral veinSubcodes
I80.2Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremitiesSubcodes
I80.3Phlebitis and thrombophlebitis of lower extremities, unspecifiedBillable
I80.8Phlebitis and thrombophlebitis of other sitesBillable
I80.9Phlebitis and thrombophlebitis of unspecified siteBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I80:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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