ICD-10-CM > M00-M99 > M70-M79 > M77 M77 Other enthesopathies Non-Billable/Non-Specific Type 1 Excludes bursitis NOS (M71.9-) Type 2 Excludes bursitis due to use, overuse and pressure (M70.-)osteophyte (M25.7)spinal enthesopathy (M46.0-) Codes M77.0Medial epicondylitisM77.00Medial epicondylitis, unspecified elbowM77.01Medial epicondylitis, right elbowM77.02Medial epicondylitis, left elbowM77.1Lateral epicondylitisM77.10Lateral epicondylitis, unspecified elbowM77.11Lateral epicondylitis, right elbowM77.12Lateral epicondylitis, left elbowM77.2Periarthritis of wristM77.20Periarthritis, unspecified wristM77.21Periarthritis, right wristM77.22Periarthritis, left wristM77.3Calcaneal spurM77.30Calcaneal spur, unspecified footM77.31Calcaneal spur, right footM77.32Calcaneal spur, left footM77.4MetatarsalgiaM77.40Metatarsalgia, unspecified footM77.41Metatarsalgia, right footM77.42Metatarsalgia, left footM77.5Other enthesopathy of foot and ankleM77.50Other enthesopathy of unspecified foot and ankleM77.51Other enthesopathy of right foot and ankleM77.52Other enthesopathy of left foot and ankleM77.8Other enthesopathies, not elsewhere classifiedM77.9Enthesopathy, unspecified