Chapter XIII
Diseases of the musculoskeletal system and connective tissue
(M00-M99)

Rules Conventions GCS DChS.XIII.1 DChS.XIII.2

Arthropathies
(M00-M25)

Incl.:
Disorders affecting predominantly peripheral (limb) joints

Arthrosis
(M15-M19)

Note:

In this block the term osteoarthritis is used as a synonym for arthrosis or osteoarthrosis. The term primary has been used with its customary clinical meaning of no underlying or determining condition identified.

Excl.:
osteoarthritis of spine ( M47.-)

M15 Polyarthrosis
DCS.XIII.2

Incl.:
arthrosis with mention of more than one site
Excl.:
bilateral involvement of single joint ( M16-M19)
M15.0 Primary generalized (osteo)arthrosis
M15.1 Heberden nodes (with arthropathy)
M15.2 Bouchard nodes (with arthropathy)
M15.3 Secondary multiple arthrosis
Incl.:
Post-traumatic polyarthrosis
M15.4 Erosive (osteo)arthrosis
M15.8 Other polyarthrosis
M15.9 Polyarthrosis, unspecified
Incl.:
Generalized osteoarthritis NOS

M16 Coxarthrosis [arthrosis of hip]
DCS.XIII.2

M16.0 Primary coxarthrosis, bilateral
M16.1 Other primary coxarthrosis
Incl.:
Primary coxarthrosis:
  • NOS
  • unilateral
M16.2 Coxarthrosis resulting from dysplasia, bilateral
M16.3 Other dysplastic coxarthrosis
Incl.:
Dysplastic coxarthrosis:
  • NOS
  • unilateral
M16.4 Post-traumatic coxarthrosis, bilateral
M16.5 Other post-traumatic coxarthrosis
Incl.:
Post-traumatic coxarthrosis:
  • NOS
  • unilateral
M16.6 Other secondary coxarthrosis, bilateral
M16.7 Other secondary coxarthrosis
Incl.:
Secondary coxarthrosis:
  • NOS
  • unilateral
M16.9 Coxarthrosis, unspecified

M17 Gonarthrosis [arthrosis of knee]
DCS.XIII.2

M17.0 Primary gonarthrosis, bilateral
M17.1 Other primary gonarthrosis
Incl.:
Primary gonarthrosis:
  • NOS
  • unilateral
M17.2 Post-traumatic gonarthrosis, bilateral
M17.3 Other post-traumatic gonarthrosis
Incl.:
Post-traumatic gonarthrosis:
  • NOS
  • unilateral
M17.4 Other secondary gonarthrosis, bilateral
M17.5 Other secondary gonarthrosis
Incl.:
Secondary gonarthrosis:
  • NOS
  • unilateral
M17.9 Gonarthrosis, unspecified

M18 Arthrosis of first carpometacarpal joint
DCS.XIII.2

M18.0 Primary arthrosis of first carpometacarpal joints, bilateral
M18.1 Other primary arthrosis of first carpometacarpal joint
Incl.:
Primary arthrosis of first carpometacarpal joint:
  • NOS
  • unilateral
M18.2 Post-traumatic arthrosis of first carpometacarpal joints, bilateral
M18.3 Other post-traumatic arthrosis of first carpometacarpal joint
Incl.:
Post-traumatic arthrosis of first carpometacarpal joint:
  • NOS
  • unilateral
M18.4 Other secondary arthrosis of first carpometacarpal joints, bilateral
M18.5 Other secondary arthrosis of first carpometacarpal joint
Incl.:
Secondary arthrosis of first carpometacarpal joint:
  • NOS
  • unilateral
M18.9 Arthrosis of first carpometacarpal joint, unspecified

M19 Other arthrosis
DCS.XIII.2

Modifier-Hint
[See site code at the beginning of this chapter]
Excl.:
arthrosis of spine ( M47.-)
hallux rigidus ( M20.2)
polyarthrosis ( M15.-)
M19.0 Primary arthrosis of other joints
Incl.:
Primary arthrosis NOS
M19.1 Post-traumatic arthrosis of other joints
Incl.:
Post-traumatic arthrosis NOS
M19.2 Other secondary arthrosis
Incl.:
Secondary arthrosis NOS
M19.8 Other specified arthrosis
M19.9 Arthrosis, unspecified