Table 1.

Body areas2

AREA H	AREA M	AREA L
“Mask areas” of the face Central face Eyelids, including inner/outer canthi Nose, chin, temple Lips, including cutaneous, mucosal, and vermillion surfaces Ears, including periauricular skin/sulci	Cheeks	Trunk
Hands, ankles, feet	Forehead	Extremities Excluding pretibial area, hands, feet, ankles, and nail units
Nail units	Jawline
Nipples, areola	Neck
Genitalia, including perineal and perianal areas	Scalp
	Pretibial area