NCI CTCAE version 5.0 alopecia

Adverse event	Grade 1	Grade 2	Grade 3	Grade 4	Grade 5
Alopecia	Hair loss of <50% normal for that individual that is not obvious from a distance but only on close inspection; a different hairstyle may be required to cover the hair loss, but it does not require a wig or hair piece to camouflage	Hair loss of ≥50% normal for that individual that is readily apparent to others; a wig or hair piece is necessary if the patient desires to completely camouflage the hair loss; associated with psychosocial impact

Alopecia is characterized by a decrease in density of hair compared with normal for a given individual at a given age and body location.

NCI CTCAE: National Cancer Institute Common Terminology Criteria for Adverse Events.

Reproduced from: Common Terminology Criteria for Adverse Events (CTCAE), Version 5.0, November 2017, National Institutes of Health, National Cancer Institute. Available at: https://ctep.cancer.gov/protocoldevelopment/electronic_applications/docs/CTCAE_v5_Quick_Reference_8.5x11.pdf (Accessed March 27, 2018).

Graphic 91256 Version 5.0