Table 2.

Frontal Fibrosing Alopecia Severity Index (FFASI).

Extension	Grade 1: = or <1 cm;
	Grade 2: 1 to 2.9 cm;
	Grade 3: 3 to 4.9 cm;
	Grade 4: 5 to 7.9 cm;
	Grade 5: = or >8cm
Scalp margin	Grade 1 to 5
	(No loss = score 0; Grade 1 = score 4;
	Grade 2 = score 8; Grade 3 = score 12;
	Grade 4 = score 16; Grade 5 = score 20)
Frontal
Right Lateral
Left Lateral
Posterior
Frontal Band	score 0 = no inflammation and normal density;
	score 2 = inflammation or density reduction;
	score 4 = inflammation and density reduction;
Total	/84
Alopecia in other types of hairs	Absent = score 0
	Partial loss = score 1
	Total loss = score 2
Eyebrows
Lashes
Flexural (armpits, pubic)
Upper limbs
Lower limbs
Other findings	Absent = score 0
	Present = score 1
Classic LPP
Facial papules
Cutaneous LP and variants
Oral mucosa LP
Genital mucosa LP
Ungual LP
Total	/16
Combined total	/100

LPP, Lichen planopilaris; LP, Lichen planus.

Adapted from: Holmes S, et al. 2016.⁷