M90.66 Osteitis deformans in neoplastic diseases, lower leg

Non-billable header with 3 child codes.

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)

Applies from M90.6 Osteitis deformans in neoplastic diseases

Applicable to

• Osteitis deformans in malignant neoplasm of bone

Excludes1 (never code together)

• osteitis deformans [Paget's disease of bone] (M88.-)

Code first

• the neoplasm (C40.-, C41.-)

Codes under M90.66

• M90.661 Osteitis deformans in neoplastic diseases, right lower leg
• M90.662 Osteitis deformans in neoplastic diseases, left lower leg
• M90.669 Osteitis deformans in neoplastic diseases, unspecified lower leg

Code annotations containing back-references to M90.66

Back-references to M90.6

• Type 1 Excludes: M88 Osteitis deformans [Paget's disease of bone] ("osteitis deformans in neoplastic disease (M90.6)")

Back-references to M90

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

Diagnosis Index entries for M90.66

• Osteitis › deformans › in (due to) › neoplastic disease › fibula
• Osteitis › deformans › in (due to) › neoplastic disease › tibia

Nearby codes

• M90.649 Osteitis deformans in neoplastic diseases, unspecified hand
• M90.65 Osteitis deformans in neoplastic diseases, thigh
• M90.651 Osteitis deformans in neoplastic diseases, right thigh
• M90.652 Osteitis deformans in neoplastic diseases, left thigh
• M90.659 Osteitis deformans in neoplastic diseases, unspecified thigh
• M90.66 Osteitis deformans in neoplastic diseases, lower leg (this code)
• M90.661 Osteitis deformans in neoplastic diseases, right lower leg
• M90.662 Osteitis deformans in neoplastic diseases, left lower leg
• M90.669 Osteitis deformans in neoplastic diseases, unspecified lower leg
• M90.67 Osteitis deformans in neoplastic diseases, ankle and foot
• M90.671 Osteitis deformans in neoplastic diseases, right ankle and foot