M00–M99
Diseases of the Musculoskeletal System and Connective Tissue
Arthritis, osteoporosis, back pain, gout
M21.379
Foot drop, unspecified foot
Billable
M21.4
Flat foot [pes planus] (acquired)
Non-billable
M21.40
Flat foot [pes planus] (acquired), unspecified foot
Billable
M21.41
Flat foot [pes planus] (acquired), right foot
Billable
M21.42
Flat foot [pes planus] (acquired), left foot
Billable
M21.5
Acquired clawhand, clubhand, clawfoot and clubfoot
Non-billable
M21.51
Acquired clawhand
Non-billable
M21.511
Acquired clawhand, right hand
Billable
M21.512
Acquired clawhand, left hand
Billable
M21.519
Acquired clawhand, unspecified hand
Billable
M21.52
Acquired clubhand
Non-billable
M21.521
Acquired clubhand, right hand
Billable
M21.522
Acquired clubhand, left hand
Billable
M21.529
Acquired clubhand, unspecified hand
Billable
M21.53
Acquired clawfoot
Non-billable
M21.531
Acquired clawfoot, right foot
Billable
M21.532
Acquired clawfoot, left foot
Billable
M21.539
Acquired clawfoot, unspecified foot
Billable
M21.54
Acquired clubfoot
Non-billable
M21.541
Acquired clubfoot, right foot
Billable
M21.542
Acquired clubfoot, left foot
Billable
M21.549
Acquired clubfoot, unspecified foot
Billable
M21.6
Other acquired deformities of foot
Non-billable
M21.61
Bunion
Non-billable
M21.611
Bunion of right foot
Billable
M21.612
Bunion of left foot
Billable
M21.619
Bunion of unspecified foot
Billable
M21.62
Bunionette
Non-billable
M21.621
Bunionette of right foot
Billable
M21.622
Bunionette of left foot
Billable
M21.629
Bunionette of unspecified foot
Billable
M21.6X
Other acquired deformities of foot
Non-billable
M21.6X1
Other acquired deformities of right foot
Billable
M21.6X2
Other acquired deformities of left foot
Billable
M21.6X9
Other acquired deformities of unspecified foot
Billable
M21.7
Unequal limb length (acquired)
Non-billable
M21.70
Unequal limb length (acquired), unspecified site
Billable
M21.72
Unequal limb length (acquired), humerus
Non-billable
M21.721
Unequal limb length (acquired), right humerus
Billable
M21.722
Unequal limb length (acquired), left humerus
Billable
M21.729
Unequal limb length (acquired), unspecified humerus
Billable
M21.73
Unequal limb length (acquired), ulna and radius
Non-billable
M21.731
Unequal limb length (acquired), right ulna
Billable
M21.732
Unequal limb length (acquired), left ulna
Billable
M21.733
Unequal limb length (acquired), right radius
Billable
M21.734
Unequal limb length (acquired), left radius
Billable
M21.739
Unequal limb length (acquired), unspecified ulna and radius
Billable
M21.75
Unequal limb length (acquired), femur
Non-billable
M21.751
Unequal limb length (acquired), right femur
Billable
M21.752
Unequal limb length (acquired), left femur
Billable
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