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BILAG Categories for Vasculitis Manifestations of SLE

Purpose: To categorize vasculitis in a patient with systemic lupus erythematosus (SLE) being evaluated with the BILAG index.

Description

British Isles Lupus Assessment Group (BILAG) developed an index for evaluating disease activity in patients with systemic lupus erythematosus (SLE). The index is based on several findings, each of which is categorized. The authors are from multiple universities in Great Britain.


 

Severe manifestations of vasculitis:

(1) major cutaneous vasculitis (ulcerations, etc) with recent infarcts (within the past month)

(2) multiple episodes of thromboembolism (excluding strokes)

(3) major abdominal crisis due to vasculitis

 

Moderate manifestations of vasculitis:

(1) minor cutaneous vasculitis (urticaria, purpura, digital vasculitis, nailfold vasculitis)

(2) superficial phlebitis

(3) first episode of thromboembolism (excluding strokes)

(4) minor abdominal crisis due to vasculitis

 

where:

• Minor abdominal crisis is not in the original listing.

 

Mild manifestations of vasculitis:

(1) livedo reticularis

(2) Raynaud's phenomenon

 

Severe

Moderate

Mild

Status

Category

any

NA

NA

current

A

none

any

NA

current

B

none

none

any

current

C

none

none

none

previous

D

none

none

none

never

E

 


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Specialty

Objective

ICD-10