M87.37 Other secondary osteonecrosis, ankle and foot

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 M87.37

• M87.371 Other secondary osteonecrosis, right ankle
• M87.372 Other secondary osteonecrosis, left ankle
• M87.373 Other secondary osteonecrosis, unspecified ankle
• M87.374 Other secondary osteonecrosis, right foot
• M87.375 Other secondary osteonecrosis, left foot
• M87.376 Other secondary osteonecrosis, unspecified foot
• M87.377 Other secondary osteonecrosis, right toe(s)
• M87.378 Other secondary osteonecrosis, left toe(s)
• M87.379 Other secondary osteonecrosis, unspecified toe(s)

Code annotations containing back-references to M87.37

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 M87.37

• Osteonecrosis › secondary NEC › metatarsus

Nearby codes

• M87.362 Other secondary osteonecrosis, left tibia
• M87.363 Other secondary osteonecrosis, unspecified tibia
• M87.364 Other secondary osteonecrosis, right fibula
• M87.365 Other secondary osteonecrosis, left fibula
• M87.366 Other secondary osteonecrosis, unspecified fibula
• M87.37 Other secondary osteonecrosis, ankle and foot (this code)
• M87.371 Other secondary osteonecrosis, right ankle
• M87.372 Other secondary osteonecrosis, left ankle
• M87.373 Other secondary osteonecrosis, unspecified ankle
• M87.374 Other secondary osteonecrosis, right foot
• M87.375 Other secondary osteonecrosis, left foot