ARTHROPATHIES AND RELATED DISORDERS (710-719)
Excludes:
disorders of spine (720.0-724.9)
718 Other derangement of joint
Excludes:
current injury (830.0-848.9)
jaw (524.60-524.69)
The following fifth-digit subclassification is for use with category 718; valid digits are in [brackets] under each code. see list at beginning of chapter for definitions:
0 site unspecified
1 shoulder region
2 upper arm
3 forearm
4 hand
5 pelvic region and thigh
6 lower leg
7 ankle and foot
8 other specified sites
9 multiple sites
718.0: Articular cartilage disorder
[0-5,7-9]
Meniscus:
disorder
rupture, old
tear, old
Old rupture of ligament(s) of joint NOS
Excludes:
articular cartilage disorder:
in ochronosis (270.2)
knee (717.0-717.9)
chondrocalcinosis (275.49)
metastatic calcification (275.40)
718.1: Loose body in joint
[0-5,7-9]
Joint mice
Excludes:
knee (717.6)
718.2: Pathological dislocation
[0-9]
Dislocation or displacement of joint, not recurrent and not current
718.3: Recurrent dislocation of joint
[0-9]
718.4: Contracture of joint
[0-9]
718.5: Ankylosis of joint
[0-9]
Ankylosis of joint (fibrous) (osseous)
Excludes:
spine (724.9)
stiffness of joint without mention of ankylosis (719.5)
718.6: Unspecified intrapelvic protrusion of acetabulum
[5]
Protrusio acetabuli, unspecified
718.7: Developmental dislocation of joint
[0-9]
Excludes:
congenital dislocation of joint (754.0-755.8)
traumatic dislocation of joint (830-839)
718.8: Other joint derangement, not elsewhere classified
[0-9]
Flail joint (paralytic)
Instability of joint
Excludes:
deformities classifiable to 736 (736.0-736.9)
718.9: Unspecified derangement of joint
[0-5,7-9]
Excludes:
knee (717.9)

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