M87.07 Idiopathic aseptic necrosis of ankle, foot and toes

Non-billable header with 9 child codes.

Applicable to

• Idiopathic aseptic necrosis of metatarsus, tarsus, and phalanges of toes

Applies from M87 Osteonecrosis

Includes

• avascular necrosis of bone

Excludes1 (never code together)

• juvenile osteonecrosis (M91-M92)
• osteochondropathies (M90-M93)

Use additional code

• code to identify major osseous defect, if applicable (M89.7-)

Codes under M87.07

• M87.071 Idiopathic aseptic necrosis of right ankle
• M87.072 Idiopathic aseptic necrosis of left ankle
• M87.073 Idiopathic aseptic necrosis of unspecified ankle
• M87.074 Idiopathic aseptic necrosis of right foot
• M87.075 Idiopathic aseptic necrosis of left foot
• M87.076 Idiopathic aseptic necrosis of unspecified foot
• M87.077 Idiopathic aseptic necrosis of right toe(s)
• M87.078 Idiopathic aseptic necrosis of left toe(s)
• M87.079 Idiopathic aseptic necrosis of unspecified toe(s)

Code annotations containing back-references to M87.07

Back-references to M87

• Code First: M89.7 Major osseous defect ("aseptic necrosis of bone (M87.-)")
• Code First: M89.7 Major osseous defect ("osteonecrosis (M87.-)")

Diagnosis Index entries for M87.07

• Osteonecrosis › idiopathic aseptic › ankle
• Osteonecrosis › idiopathic aseptic › metatarsus
• Osteonecrosis › idiopathic aseptic › tarsus
• Osteonecrosis › idiopathic aseptic › toe

Nearby codes

• M87.062 Idiopathic aseptic necrosis of left tibia
• M87.063 Idiopathic aseptic necrosis of unspecified tibia
• M87.064 Idiopathic aseptic necrosis of right fibula
• M87.065 Idiopathic aseptic necrosis of left fibula
• M87.066 Idiopathic aseptic necrosis of unspecified fibula
• M87.07 Idiopathic aseptic necrosis of ankle, foot and toes (this code)
• M87.071 Idiopathic aseptic necrosis of right ankle
• M87.072 Idiopathic aseptic necrosis of left ankle
• M87.073 Idiopathic aseptic necrosis of unspecified ankle
• M87.074 Idiopathic aseptic necrosis of right foot
• M87.075 Idiopathic aseptic necrosis of left foot