ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.1 > S20.14 > S20.142 S20.142 External constriction of part of breast, left breast Non-Billable/Non-Specific Codes S20.142A..., initial encounterS20.142D..., subsequent encounterS20.142S..., sequela