DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 9

I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)

Block I80-I89 groups 9 categories with 304 billable codes in FY2027.

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)

Neighbouring blocks

Categories
9
Billable codes
304
CC codes
202
MCC codes
6
HCC V28 codes
214
New FY2027
0

Categories in I80-I89

  • I80

    Phlebitis and thrombophlebitis

    Pyelophlebitis → I80.8

    • 39 billable codes
    • 28 CC
    • 32 with HCC
  • I81

    Portal vein thrombosis

    Pseudoangioma → I81

    • Billable, no subdivisions
    • 1 MCC
  • I82

    Other venous embolism and thrombosis

    Paget-Schroetter syndrome → I82.890

    • 145 billable codes
    • 134 CC
    • 3 MCC
    • 120 with HCC
  • I83

    Varicose veins of lower extremities

    Varix (lower limb) → I83.90

    • 57 billable codes
    • 21 CC
    • 42 with HCC
  • I85

    Esophageal varices

    Varix (lower limb)esophagus (idiopathic) (primary) (ulcerated) → I85.00

    • 4 billable codes
    • 2 CC
    • 2 MCC
    • 4 with HCC
  • I86

    Varicose veins of other sites

    Varicocele (scrotum) (thrombosed) → I86.1

    • 6 billable codes
  • I87

    Other disorders of veins

    Phleboliths → I87.8

    • 44 billable codes
    • 17 CC
    • 16 with HCC
  • I88

    Nonspecific lymphadenitis

    Bubo → I88.8

    • 4 billable codes
  • I89

    Other noninfective disorders of lymphatic vessels and lymph nodes

    Lymphocele → I89.8

    • 4 billable codes

Index main terms

  • Varix (lower limb) → I83, I85, I86 (127 entries)
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) → I81, I82 (78 entries)
  • Embolism (multiple) (paradoxical) → I81, I82 (75 entries)
  • Phlebitis (infective) (pyemic) (septic) (suppurative) → I80, I82 (23 entries)
  • Syndrome → I80, I82, I87 (18 entries)
  • Thrombophlebitis → I80, I82 (16 entries)
  • Adenitis → I88 (13 entries)
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative → I86, I87 (11 entries)
  • Lymphadenitis → I88 (9 entries)
  • Disease, diseased → I82, I87, I89 (7 entries)
  • Elephantiasis (nonfilarial) → I89 (7 entries)
  • Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) → I87 (7 entries)
  • Obstruction, obstructed, obstructive → I81, I87, I89 (7 entries)
  • Bubo → I88 (4 entries)
  • Edema, edematous (infectious) (pitting) (toxic) → I87, I89 (4 entries)

+74 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

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