ICD-10-CM Diagnosis Code (2025)
Official Description for M77
Other enthesopathies
Coding Notes & Guidelines for M77
Excludes1: Not Coded Here
bursitis NOS (M71.9-)
Excludes1: Not Coded Here
Morton's metatarsalgia (G57.6)
Excludes2: Not Included Here
- bursitis due to use, overuse and pressure (M70.-)
- osteophyte (M25.7)
- spinal enthesopathy (M46.0-)
Inclusion Terms
Tennis elbow
Inclusion Terms
- Bone spur NOS
- Capsulitis NOS
- Periarthritis NOS
- Tendinitis NOS
Child Codes (More Specific Codes for M77):
M77.0 - Medial epicondylitis
M77.00 - Medial epicondylitis, unspecified elbow
M77.01 - Medial epicondylitis, right elbow
M77.02 - Medial epicondylitis, left elbow
M77.1 - Lateral epicondylitis
M77.10 - Lateral epicondylitis, unspecified elbow
M77.11 - Lateral epicondylitis, right elbow
M77.12 - Lateral epicondylitis, left elbow
M77.2 - Periarthritis of wrist
M77.20 - Periarthritis, unspecified wrist
M77.21 - Periarthritis, right wrist
M77.22 - Periarthritis, left wrist
M77.3 - Calcaneal spur
M77.30 - Calcaneal spur, unspecified foot
M77.31 - Calcaneal spur, right foot
M77.32 - Calcaneal spur, left foot
M77.4 - Metatarsalgia
M77.40 - Metatarsalgia, unspecified foot
M77.41 - Metatarsalgia, right foot
M77.42 - Metatarsalgia, left foot
M77.5 - Other enthesopathy of foot and ankle
M77.50 - Other enthesopathy of unspecified foot and ankle
M77.51 - Other enthesopathy of right foot and ankle
M77.52 - Other enthesopathy of left foot and ankle
M77.8 - Other enthesopathies, not elsewhere classified
M77.9 - Enthesopathy, unspecified
About ICD-10-CM Code M77 (Other enthesopathies)
ICD-10-CM code M77 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M77 became effective on October 1, 2024.
This page provides detailed information about M77 - Other enthesopathies. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other enthesopathies.