M90.5 Osteonecrosis in diseases classified elsewhere

Non-billable header with 10 child codes.

Code first

• underlying disease, such as:
• caisson disease (T70.3)
• hemoglobinopathy (D50-D64)

Applies from M90 Osteopathies in diseases classified elsewhere

Excludes1 (never code together)

• osteochondritis, osteomyelitis, and osteopathy (in):
• cryptococcosis (B45.3)
• diabetes mellitus (E08-E13 with .69-)
• gonococcal (A54.43)
• neurogenic syphilis (A52.11)
• renal osteodystrophy (N25.0)
• salmonellosis (A02.24)
• secondary syphilis (A51.46)
• syphilis (late) (A52.77)

Codes under M90.5

• M90.50 Osteonecrosis in diseases classified elsewhere, unspecified site
• M90.51 Osteonecrosis in diseases classified elsewhere, shoulder
• M90.52 Osteonecrosis in diseases classified elsewhere, upper arm
• M90.53 Osteonecrosis in diseases classified elsewhere, forearm
• M90.54 Osteonecrosis in diseases classified elsewhere, hand
• M90.55 Osteonecrosis in diseases classified elsewhere, thigh
• M90.56 Osteonecrosis in diseases classified elsewhere, lower leg
• M90.57 Osteonecrosis in diseases classified elsewhere, ankle and foot
• M90.58 Osteonecrosis in diseases classified elsewhere, other site
• M90.59 Osteonecrosis in diseases classified elsewhere, multiple sites

Code annotations containing back-references to M90.5

Back-references to M90

• Type 1 Excludes: M87 Osteonecrosis ("osteochondropathies (M90-M93)")

Nearby codes

• M90 Osteopathies in diseases classified elsewhere
• M90.5 Osteonecrosis in diseases classified elsewhere (this code)
• M90.50 Osteonecrosis in diseases classified elsewhere, unspecified site
• M90.51 Osteonecrosis in diseases classified elsewhere, shoulder
• M90.511 Osteonecrosis in diseases classified elsewhere, right shoulder
• M90.512 Osteonecrosis in diseases classified elsewhere, left shoulder
• M90.519 Osteonecrosis in diseases classified elsewhere, unspecified shoulder