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CEAP classification is a standardized system for categorizing Chronic venous insufficiency (CVI).

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It is widely used for clinical diagnosis, treatment planning, and research reporting in the context of chronic venous insufficiency (CVI) and varicose veins.

Classification system

C – Clinical classification
E – Etiological classification
A – Anatomical classification
P – Pathophysiological classification

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I. Clinical (C) Classification

Based on Physical Examination

![Spectrum of CVD according to the CEAP classification system with relevant prevalence rates.

Onida S, Davies AH. Predicted burden of venous disease. Phlebology The Journal of Venous Disease. 2016;31(1_suppl):74-79. doi:https://doi.org/10.1177/0268355516628359](attachment:07c52c66-6b18-44fa-b977-64cc22e3642e:10.1177_0268355516628359-fig1.jpg)

Spectrum of CVD according to the CEAP classification system with relevant prevalence rates.

Onida S, Davies AH. Predicted burden of venous disease. Phlebology The Journal of Venous Disease. 2016;31(1_suppl):74-79. doi:https://doi.org/10.1177/0268355516628359

Class	Description
C0	No visible or palpable signs of venous disease
C1	Telangiectasias or reticular veins
C2	Varicose veins (≥3 mm diameter)
C3	Edema (venous origin, without skin changes)
C4a	Pigmentation or eczema (stasis dermatitis)
C4b	Lipodermatosclerosis or atrophie blanche
C5	Healed venous ulcer
C6	Active venous ulcer

Each class may be supplemented by:

S = Symptomatic
A = Asymptomatic

Example: C4bS = Lipodermatosclerosis with symptoms

Classification system

I. Clinical (C) Classification

II. Etiological (E) classification