M00–M99: Diseases of the Musculoskeletal System and Connective Tissue
Chapter 13 of ICD-10-CM 2027, 8,707 codes in 24 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Codes in this chapter
All codesBillable only8,707 results
- M1A.46Other secondary chronic gout, knee
- M1A.461Other secondary chronic gout, right knee
- M1A.4610Other secondary chronic gout, right knee, without tophus (tophi)
- M1A.4611Other secondary chronic gout, right knee, with tophus (tophi)
- M1A.462Other secondary chronic gout, left knee
- M1A.4620Other secondary chronic gout, left knee, without tophus (tophi)
- M1A.4621Other secondary chronic gout, left knee, with tophus (tophi)
- M1A.469Other secondary chronic gout, unspecified knee
- M1A.4690Other secondary chronic gout, unspecified knee, without tophus (tophi)
- M1A.4691Other secondary chronic gout, unspecified knee, with tophus (tophi)
- M1A.47Other secondary chronic gout, ankle and foot
- M1A.471Other secondary chronic gout, right ankle and foot
- M1A.4710Other secondary chronic gout, right ankle and foot, without tophus (tophi)
- M1A.4711Other secondary chronic gout, right ankle and foot, with tophus (tophi)
- M1A.472Other secondary chronic gout, left ankle and foot
- M1A.4720Other secondary chronic gout, left ankle and foot, without tophus (tophi)
- M1A.4721Other secondary chronic gout, left ankle and foot, with tophus (tophi)
- M1A.479Other secondary chronic gout, unspecified ankle and foot
- M1A.4790Other secondary chronic gout, unspecified ankle and foot, without tophus (tophi)
- M1A.4791Other secondary chronic gout, unspecified ankle and foot, with tophus (tophi)
- M1A.48Other secondary chronic gout, vertebrae
- M1A.48X0Other secondary chronic gout, vertebrae, without tophus (tophi)
- M1A.48X1Other secondary chronic gout, vertebrae, with tophus (tophi)
- M1A.49Other secondary chronic gout, multiple sites
- M1A.49X0Other secondary chronic gout, multiple sites, without tophus (tophi)
- M1A.49X1Other secondary chronic gout, multiple sites, with tophus (tophi)
- M1A.9Chronic gout, unspecified
- M1A.9XX0Chronic gout, unspecified, without tophus (tophi)
- M1A.9XX1Chronic gout, unspecified, with tophus (tophi)
- M20Acquired deformities of fingers and toes
- M20.0Deformity of finger(s)
- M20.00Unspecified deformity of finger(s)
- M20.001Unspecified deformity of right finger(s)
- M20.002Unspecified deformity of left finger(s)
- M20.009Unspecified deformity of unspecified finger(s)
- M20.01Mallet finger
- M20.011Mallet finger of right finger(s)
- M20.012Mallet finger of left finger(s)
- M20.019Mallet finger of unspecified finger(s)
- M20.02Boutonnière deformity
- M20.021Boutonniere deformity of right finger(s)
- M20.022Boutonniere deformity of left finger(s)
- M20.029Boutonniere deformity of unspecified finger(s)
- M20.03Swan-neck deformity
- M20.031Swan-neck deformity of right finger(s)
- M20.032Swan-neck deformity of left finger(s)
- M20.039Swan-neck deformity of unspecified finger(s)
- M20.09Other deformity of finger(s)
- M20.091Other deformity of right finger(s)
- M20.092Other deformity of left finger(s)