DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 9

I70-I79 Diseases of arteries, arterioles and capillaries (I70-I79)

Block I70-I79 groups 10 categories with 344 billable codes in FY2027.

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I70-I79 Diseases of arteries, arterioles and capillaries (I70-I79)

Neighbouring blocks

Categories
10
Billable codes
344
CC codes
116
MCC codes
29
HCC V28 codes
193
New FY2027
0

Categories in I70-I79

  • I70

    Atherosclerosis

    Atheroma, atheromatous → I70.90

    • 246 billable codes
    • 91 CC
    • 150 with HCC
  • I71

    Aortic aneurysm and dissection

    Hodgson's → I71.20

    • 31 billable codes
    • 19 MCC
    • 19 with HCC
  • I72

    Other aneurysm

    Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) → I72.9

    • 9 billable codes
  • I73

    Other peripheral vascular diseases

    Erythralgia → I73.81

    • 6 billable codes
    • 1 CC
    • 1 with HCC
  • I74

    Arterial embolism and thrombosis

    Embolism (multiple) (paradoxical) → I74.9

    • 11 billable codes
    • 10 CC
    • 1 MCC
    • 11 with HCC
  • I75

    Atheroembolism

    Bluetoe syndrome → I75.02-

    • 10 billable codes
    • 10 CC
    • 10 with HCC
  • I76

    Septic arterial embolism

    Embolism (multiple) (paradoxical)pyemic (multiple) → I76

    • Billable, no subdivisions
    • 1 CC
    • 1 with HCC
  • I77

    Other disorders of arteries and arterioles

    Angiitis → I77.6

    • 23 billable codes
    • 3 CC
    • 9 MCC
    • 1 with HCC
  • I78

    Diseases of capillaries

    Acroangiodermatitis → I78.9

    • 4 billable codes
  • I79

    Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

    –

    • 3 billable codes

Index main terms

  • Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) → I70 (437 entries)
  • Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) → I71, I72, I77 (87 entries)
  • Disease, diseased → I71, I73, I77, I78 (33 entries)
  • Embolism (multiple) (paradoxical) → I74, I76, I78 (29 entries)
  • Syndrome → I73, I74, I75, I77, I78 (23 entries)
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) → I74, I78 (21 entries)
  • Dissection → I71, I77 (17 entries)
  • Rupture, ruptured → I71, I77, I78 (17 entries)
  • Occlusion, occluded → I70, I74, I77 (11 entries)
  • Stenosis, stenotic (cicatricial) → I70, I77 (8 entries)
  • Stricture → I70, I77 (8 entries)
  • Vasculitis → I77 (6 entries)
  • Angioma → I78 (5 entries)
  • Deformity → I77, I78 (5 entries)
  • Ectasia, ectasis → I77, I78 (5 entries)

+108 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.