C – Clinical classification
|
|
C0: No visible or palpable signs of venous disease |
C1: Telangiectasies or reticular veins |
C2: Varicose veins; distinguished from reticular veins by a diameter of 3mm or more |
C3: Edema |
C4: Changes in skin and subcutaneous tissue secondary to CVD |
C4a: Pigmentation or eczema |
C4b: Lipodermatosclerosis or atrophie blanche |
C5: Healed venous ulcer |
C6: Active venous ulcer |
|
E – Etiological classification
|
|
Ec: Congenital |
Ep: Primary |
Es: Secondary |
En: No venous cause identified |
|
A – Anatomical classification
|
|
As: Superficial veins |
Ap: Perforating veins |
Ad: Deep veins |
An: No venous location identified |
|
P – Pathophysiology classification
|
|
Pr: Reflux |
Po: Obstruction |
Pr/o: Reflux and obstruction |
Pn: No venous pathophysiology identifiable |