ICD-10-CM > S00-T88 > S30-S39 > S36 > S36.0 > S36.02 > S36.021 S36.021 Major contusion of spleen Non-Billable/Non-Specific Applicable To Contusion of spleen greater than 2 cm Codes S36.021A..., initial encounterS36.021D..., subsequent encounterS36.021S..., sequela