Stiffness, joint NEC 719.50

ankle 719.57

back 724.8

elbow 719.52

finger 719.54

hip 719.55

knee 719.56

multiple sites 719.59

sacroiliac 724.6

shoulder 719.51

specified site NEC 719.58

spine 724.9

surgical fusion V45.4

wrist 719.53