DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I80 Phlebitis and thrombophlebitis

  • Header · not billable

I80 is not billable. The category heads 39 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Pyelophlebitis → I80.8
  • Mondor's disease → I80.8
  • Thrombophlebitis → I80.9

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
  3. I80 Phlebitis and thrombophlebitis
Billable codes
39
Subdivisions
6
CC / MCC codes
28 / 0
HCC V28 codes
32
New FY2027
0
Index entries
40

Codes in I80

  1. I80.0
    Phlebitis and thrombophlebitis of superficial vessels of lower extremities
    Header
    Inclusion terms 1

    Inclusion terms

    • Phlebitis and thrombophlebitis of femoropopliteal vein
  2. I80.00
    Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity
    Billable
  3. I80.01
    Phlebitis and thrombophlebitis of superficial vessels of right lower extremity
    Billable
  4. I80.02
    Phlebitis and thrombophlebitis of superficial vessels of left lower extremity
    Billable
  5. I80.03
    Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral
    Billable
  6. I80.1
    Phlebitis and thrombophlebitis of femoral vein
    Header
    Inclusion terms 2

    Inclusion terms

    • Phlebitis and thrombophlebitis of common femoral vein
    • Phlebitis and thrombophlebitis of deep femoral vein
  7. I80.10
    Phlebitis and thrombophlebitis of unspecified femoral vein
    BillableCC267
  8. I80.11
    Phlebitis and thrombophlebitis of right femoral vein
    BillableCC267
  9. I80.12
    Phlebitis and thrombophlebitis of left femoral vein
    BillableCC267
  10. I80.13
    Phlebitis and thrombophlebitis of femoral vein, bilateral
    BillableCC267
  11. I80.2
    Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
    Header
  12. I80.20
    Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities
    Header
  13. I80.201
    Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity
    BillableCC267
  14. I80.202
    Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity
    BillableCC267
  15. I80.203
    Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral
    BillableCC267
  16. I80.209
    Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity
    BillableCC267
  17. I80.21
    Phlebitis and thrombophlebitis of iliac vein
    Header
    Inclusion terms 3

    Inclusion terms

    • Phlebitis and thrombophlebitis of common iliac vein
    • Phlebitis and thrombophlebitis of external iliac vein
    • Phlebitis and thrombophlebitis of internal iliac vein
  18. I80.211
    Phlebitis and thrombophlebitis of right iliac vein
    BillableCC267
  19. I80.212
    Phlebitis and thrombophlebitis of left iliac vein
    BillableCC267
  20. I80.213
    Phlebitis and thrombophlebitis of iliac vein, bilateral
    BillableCC267
  21. I80.219
    Phlebitis and thrombophlebitis of unspecified iliac vein
    BillableCC267
  22. I80.22
    Phlebitis and thrombophlebitis of popliteal vein
    Header
  23. I80.221
    Phlebitis and thrombophlebitis of right popliteal vein
    BillableCC267
  24. I80.222
    Phlebitis and thrombophlebitis of left popliteal vein
    BillableCC267
  25. I80.223
    Phlebitis and thrombophlebitis of popliteal vein, bilateral
    BillableCC267
  26. I80.229
    Phlebitis and thrombophlebitis of unspecified popliteal vein
    BillableCC267
  27. I80.23
    Phlebitis and thrombophlebitis of tibial vein
    Header
    Inclusion terms 2

    Inclusion terms

    • Phlebitis and thrombophlebitis of anterior tibial vein
    • Phlebitis and thrombophlebitis of posterior tibial vein
  28. I80.231
    Phlebitis and thrombophlebitis of right tibial vein
    BillableCC267
  29. I80.232
    Phlebitis and thrombophlebitis of left tibial vein
    BillableCC267
  30. I80.233
    Phlebitis and thrombophlebitis of tibial vein, bilateral
    BillableCC267
  31. I80.239
    Phlebitis and thrombophlebitis of unspecified tibial vein
    BillableCC267
  32. I80.24
    Phlebitis and thrombophlebitis of peroneal vein
    Header
  33. I80.241
    Phlebitis and thrombophlebitis of right peroneal vein
    BillableCC267
  34. I80.242
    Phlebitis and thrombophlebitis of left peroneal vein
    BillableCC267
  35. I80.243
    Phlebitis and thrombophlebitis of peroneal vein, bilateral
    BillableCC267
  36. I80.249
    Phlebitis and thrombophlebitis of unspecified peroneal vein
    BillableCC267
  37. I80.25
    Phlebitis and thrombophlebitis of calf muscular vein
    Header
    Inclusion terms 3

    Inclusion terms

    • Phlebitis and thrombophlebitis of calf muscular vein, NOS
    • Phlebitis and thrombophlebitis of gastrocnemial vein
    • Phlebitis and thrombophlebitis of soleal vein
  38. I80.251
    Phlebitis and thrombophlebitis of right calf muscular vein
    Billable267
  39. I80.252
    Phlebitis and thrombophlebitis of left calf muscular vein
    Billable267
  40. I80.253
    Phlebitis and thrombophlebitis of calf muscular vein, bilateral
    Billable267
  41. I80.259
    Phlebitis and thrombophlebitis of unspecified calf muscular vein
    Billable267
  42. I80.29
    Phlebitis and thrombophlebitis of other deep vessels of lower extremities
    Header
  43. I80.291
    Phlebitis and thrombophlebitis of other deep vessels of right lower extremity
    BillableCC267
  44. I80.292
    Phlebitis and thrombophlebitis of other deep vessels of left lower extremity
    BillableCC267
  45. I80.293
    Phlebitis and thrombophlebitis of other deep vessels of lower extremity, bilateral
    BillableCC267
  46. I80.299
    Phlebitis and thrombophlebitis of other deep vessels of unspecified lower extremity
    BillableCC267
  47. I80.3
    Phlebitis and thrombophlebitis of lower extremities, unspecified
    Billable
  48. I80.8
    Phlebitis and thrombophlebitis of other sites
    Billable
  49. I80.9
    Phlebitis and thrombophlebitis of unspecified site
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At I80

Includes

  • endophlebitis
  • inflammation, vein
  • periphlebitis
  • suppurative phlebitis

Excludes1

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

Code first

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

Notes that also apply

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.

Index entries

  • Mondor's disease → I80.8
  • Pyelophlebitis → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative) → I80.9
  • Thrombophlebitis → I80.9
  • Phlebitis (infective) (pyemic) (septic) (suppurative)femoropopliteal vein → I80.0-
  • Thrombophlebitisfemoropopliteal vein → I80.0-
  • Thrombophlebitissaphenous (greater) (lesser) → I80.0-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)femoral vein (superficial) → I80.1-
  • Thrombophlebitisfemoral vein (superficial) → I80.1-
  • Thrombophlebitisiliofemoral → I80.1-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)iliac vein (common) (external) (internal) → I80.21-
  • Thrombophlebitisiliac vein (common) (external) (internal) → I80.21-
  • Thrombophlebitistibial vein (anterior) (posterior) → I80.23-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)peroneal vein → I80.24-
  • Thrombophlebitisperoneal vein → I80.24-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)calf muscular vein (NOS) → I80.25-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)gastrocnemial vein → I80.25-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)soleal vein → I80.25-
  • Thrombophlebitiscalf muscular vein (NOS) → I80.25-
  • Thrombophlebitisgastrocnemial vein → I80.25-
  • Thrombophlebitissoleal vein → I80.25-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)leg → I80.3
  • Phlebitis (infective) (pyemic) (septic) (suppurative)breast, superficial → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative)chest wall, superficial → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative)hepatic veins → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative)specified site NEC → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative)umbilicus → I80.8
  • SyndromeLemierre → I80.8
  • Thrombophlebitishepatic (vein) → I80.8
  • Thrombophlebitisspecified site NEC → I80.8
  • Phlebitis (infective) (pyemic) (septic) (suppurative)ulcerative → I80.9
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legsuperficial (vessels) → I80.0-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legfemoral vein (superficial) → I80.1-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legdeep (vessels) NEC → I80.20-
  • Thrombophlebitislower extremitydeep → I80.29-
  • Inflammation, inflamed, inflammatory (with exudation)veinthrombotic → I80.9
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legdeep (vessels) NECiliac → I80.21-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legdeep (vessels) NECpopliteal vein → I80.22-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legdeep (vessels) NECtibial vein (anterior) (posterior) → I80.23-
  • Phlebitis (infective) (pyemic) (septic) (suppurative)legdeep (vessels) NECspecified vessel NEC → I80.29-

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy