M66.8
Non-billableSpontaneous rupture of other tendons
Spontaneous rupture of other tendons
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •rotator cuff syndromeM75.1
- rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region
Child Codes (10)
M66.80Spontaneous rupture of other tendons, unspecified site
M66.81Spontaneous rupture of other tendons, shoulder
M66.82Spontaneous rupture of other tendons, upper arm
M66.83Spontaneous rupture of other tendons, forearm
M66.84Spontaneous rupture of other tendons, hand
M66.85Spontaneous rupture of other tendons, thigh
M66.86Spontaneous rupture of other tendons, lower leg
M66.87Spontaneous rupture of other tendons, ankle and foot
M66.88Spontaneous rupture of other tendons, other sites
M66.89Spontaneous rupture of other tendons, multiple sites
Related Codes(5)
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for spontaneous rupture of other tendons?
The ICD-10-CM code for spontaneous rupture of other tendons is M66.8. The full clinical description is "Spontaneous rupture of other tendons". M66.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M66.8 mean?
ICD-10-CM code M66.8 represents “Spontaneous rupture of other tendons”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is M66.8 a billable code?
No, M66.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under M66.8.
What chapter is M66.8 in?
M66.8 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What are the subcategories under M66.8?
M66.8 has 10 child codes, including: M66.80 (Spontaneous rupture of other tendons, unspecified site), M66.81 (Spontaneous rupture of other tendons, shoulder), M66.82 (Spontaneous rupture of other tendons, upper arm), M66.83 (Spontaneous rupture of other tendons, forearm), and 6 more.
What are the UMLS CUIs for M66.8?
M66.8 is linked to 1 UMLS Concept Unique Identifier: C0477647. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M66.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like spontaneous rupture of other tendons affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M66.8?
There is no direct ICD-11 mapping available for M66.8 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.