ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.1 > S20.17 S20.17 Other superficial bite of breast Non-Billable/Non-Specific Type 1 Excludes open bite of breast (S21.05-) Codes S20.171Other superficial bite of breast, right breastS20.171A..., initial encounterS20.171D..., subsequent encounterS20.171S..., sequelaS20.172Other superficial bite of breast, left breastS20.172A..., initial encounterS20.172D..., subsequent encounterS20.172S..., sequelaS20.179Other superficial bite of breast, unspecified breastS20.179A..., initial encounterS20.179D..., subsequent encounterS20.179S..., sequela