ICD-10-CM > M00-M99 > M00-M02 > M00 > M00.2 > M00.21 M00.21 Other streptococcal arthritis, shoulder Non-Billable/Non-Specific Codes M00.211Other streptococcal arthritis, right shoulderM00.212Other streptococcal arthritis, left shoulderM00.219Other streptococcal arthritis, unspecified shoulder