M07.661 Enteropathic arthropathies, right knee

Billable ICD-10-CM code, FY2026.

Applies from M07 Enteropathic arthropathies

Excludes1 (never code together)

• psoriatic arthropathies (L40.5-)

Code also

• associated enteropathy, such as:
• regional enteritis [Crohn's disease] (K50.-)
• ulcerative colitis (K51.-)

MS-DRG index

Defines the logic of DRG(s) 553-554 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 713.1 Arthropathy associated with gastrointestinal conditions other than infections (approximate)
• 716.86 Other specified arthropathy, lower leg (approximate)

Code annotations containing back-references to M07.661

Back-references to M07

• Type 1 Excludes: M14 Arthropathies in other diseases classified elsewhere ("enteropathic arthropathies (M07.-)")
• Type 1 Excludes: M49 Spondylopathies in diseases classified elsewhere ("enteropathic arthropathies (M07.-)")

Nearby codes

• M07.65 Enteropathic arthropathies, hip
• M07.651 Enteropathic arthropathies, right hip
• M07.652 Enteropathic arthropathies, left hip
• M07.659 Enteropathic arthropathies, unspecified hip
• M07.66 Enteropathic arthropathies, knee
• M07.661 Enteropathic arthropathies, right knee (this code)
• M07.662 Enteropathic arthropathies, left knee
• M07.669 Enteropathic arthropathies, unspecified knee
• M07.67 Enteropathic arthropathies, ankle and foot
• M07.671 Enteropathic arthropathies, right ankle and foot
• M07.672 Enteropathic arthropathies, left ankle and foot