ICD-10-CM > M00-M99 > M05-M14 > M13 > M13.1 > M13.15 M13.15 Monoarthritis, not elsewhere classified, hip Non-Billable/Non-Specific Codes M13.151Monoarthritis, not elsewhere classified, right hipM13.152Monoarthritis, not elsewhere classified, left hipM13.159Monoarthritis, not elsewhere classified, unspecified hip