M87.87 Other osteonecrosis, ankle, foot and toes

Non-billable header with 9 child codes.

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 M87.87

• M87.871 Other osteonecrosis, right ankle
• M87.872 Other osteonecrosis, left ankle
• M87.873 Other osteonecrosis, unspecified ankle
• M87.874 Other osteonecrosis, right foot
• M87.875 Other osteonecrosis, left foot
• M87.876 Other osteonecrosis, unspecified foot
• M87.877 Other osteonecrosis, right toe(s)
• M87.878 Other osteonecrosis, left toe(s)
• M87.879 Other osteonecrosis, unspecified toe(s)

Code annotations containing back-references to M87.87

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 M87.87

• Osteonecrosis › specified type NEC › metatarsus
• Osteonecrosis › specified type NEC › tarsus
• Osteonecrosis › specified type NEC › toe

Nearby codes

• M87.862 Other osteonecrosis, left tibia
• M87.863 Other osteonecrosis, unspecified tibia
• M87.864 Other osteonecrosis, right fibula
• M87.865 Other osteonecrosis, left fibula
• M87.869 Other osteonecrosis, unspecified fibula
• M87.87 Other osteonecrosis, ankle, foot and toes (this code)
• M87.871 Other osteonecrosis, right ankle
• M87.872 Other osteonecrosis, left ankle
• M87.873 Other osteonecrosis, unspecified ankle
• M87.874 Other osteonecrosis, right foot
• M87.875 Other osteonecrosis, left foot