M66.861
BillableSpontaneous rupture of other tendons, right lower leg
Spontaneous rupture of other tendons, right lower leg
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
Related Codes(2)
Also Known As / Clinical Terms(149)
SNOMED CT
- Non-traumatic rupture of muscle29191005
- Nontraumatic rupture of muscle29191005
- Patellar tendon rupture30832001
- Rupture of patellar tendon30832001
- Non-traumatic rupture of patellar tendon202963006
- Non-traumatic rupture of Achilles tendon202964000
- Rupture of plantaris tendon209783002
- Rupture achilles tendon429513001
- Rupture of Achilles tendon429513001
- Non-traumatic rupture of quadriceps tendon1293001008
- Nontraumatic rupture of quadriceps tendon1293001008
- Non-traumatic rupture of plantaris tendon1344792008
- Nontraumatic plantaris tendon rupture1344792008
- Nontraumatic plantaris tendon tear1344792008
- Nontraumatic rupture of plantaris tendon1344792008
- Bilateral nontraumatic plantaris tendon rupture16051911000119108
- Bilateral nontraumatic plantaris tendon tear16051911000119108
- Non-traumatic rupture of plantaris tendon of bilateral lower limbs16051911000119108
- Nontraumatic rupture of plantaris tendon of bilateral lower limbs16051911000119108
- Nontraumatic rupture of plantaris tendon of both lower limbs16051911000119108
- Injury of left Achilles tendon42411000087100
- Injury of muscle of left posterior lower leg11861521000119100
- Injury of posterior crural muscle of left lower leg11861521000119100
- Injury of muscle of right posterior lower leg11861481000119100
- Injury of posterior crural muscle of right lower leg11861481000119100
- Injury of right Achilles tendon42421000087108
- Left Achilles tendon tear11857701000119100
- Rupture of left Achilles tendon11857701000119100
- Non-traumatic rupture of bilateral Achilles tendons15701041000119100
- Nontraumatic rupture of bilateral Achilles tendons15701041000119100
- Nontraumatic rupture of both Achilles tendons15701041000119100
- Non-traumatic rupture of left Achilles tendon328814631000119101
- Nontraumatic rupture of left Achilles tendon328814631000119101
- Non-traumatic rupture of left quadriceps tendon15702401000119103
- Nontraumatic rupture of left quadriceps tendon15702401000119103
- Non-traumatic rupture of plantaris tendon of left lower limb16051951000119109
- Nontraumatic rupture of left plantaris tendon16051951000119109
- Nontraumatic rupture of plantaris tendon of left lower limb16051951000119109
- Nontraumatic tear of left plantaris tendon16051951000119109
- Non-traumatic rupture of plantaris tendon of right lower limb16051991000119104
- Nontraumatic rupture of plantaris tendon of right lower limb16051991000119104
- Nontraumatic rupture of right plantaris tendon16051991000119104
- Nontraumatic tear of right plantaris tendon16051991000119104
- Non-traumatic rupture of right Achilles tendon249646051000119108
- Nontraumatic rupture of right Achilles tendon249646051000119108
- Non-traumatic rupture of right quadriceps tendon15702121000119104
- Nontraumatic rupture of right quadriceps tendon15702121000119104
- Non-traumatic rupture of tendon of bilateral lower legs15701641000119107
- Nontraumatic rupture of tendon of bilateral lower legs15701641000119107
- Nontraumatic rupture of tendon of both lower legs15701641000119107
- Nontraumatic tear of tendon of bilateral lower legs15701641000119107
- Non-traumatic rupture of tendon of left lower leg15702481000119106
- Nontraumatic rupture of tendon of left lower leg15702481000119106
- Nontraumatic tear of tendon of left lower leg15702481000119106
- Non-traumatic rupture of tendon of left patella15702441000119101
- Non-traumatic tear of tendon of left patella15702441000119101
- Nontraumatic rupture of tendon of left patella15702441000119101
- Non-traumatic rupture of tendon of right lower leg15702201000119104
- Nontraumatic rupture of tendon of right lower leg15702201000119104
- Nontraumatic tear of tendon of right lower leg15702201000119104
- Non-traumatic rupture of tendon of right patella15702161000119109
- Non-traumatic tear of tendon of right patella15702161000119109
- Nontraumatic rupture of tendon of right patella15702161000119109
- Non-traumatic tear of bilateral patellar tendons15701601000119105
- Nontraumatic rupture of bilateral patellar tendons15701601000119105
- Nontraumatic rupture of both patellar tendons15701601000119105
- Nontraumatic tear of bilateral patellar tendons15701601000119105
- Nontraumatic rupture of tendon of bilateral quadriceps muscles15701561000119105
- Nontraumatic rupture of tendon of both quadriceps muscles15701561000119105
- Nontraumatic tear of bilateral quadriceps tendons15701561000119105
- Right Achilles tendon tear11857661000119107
- Rupture of right Achilles tendon11857661000119107
- Rupture of left plantaris tendon11857861000119108
- Rupture of right plantaris tendon11857821000119103
Clinical Terms
- Nontraumatic rupture of plantaris tendon of bilateral lower limbs
- Non-traumatic tear of tendon of right patella
- Non-traumatic rupture of muscle
- Nontraumatic rupture of plantaris tendon of both lower limbs
- Non-traumatic rupture of left quadriceps tendon
- Nontraumatic rupture of muscle
- Non-traumatic rupture of plantaris tendon of bilateral lower limbs
- Non-traumatic rupture of plantaris tendon of right lower limb
- Nontraumatic rupture of left plantaris tendon
- Non-traumatic tear of tendon of left patella
- Non-traumatic rupture of quadriceps tendon
- Injury of left Achilles tendon
- Injury of posterior crural muscle of left lower leg
- Nontraumatic rupture of right plantaris tendon
- Rupture of Achilles tendon
- Nontraumatic rupture of left quadriceps tendon
- Nontraumatic rupture of tendon of both quadriceps muscles
- Nontraumatic rupture of tendon of left lower leg
- Nontraumatic plantaris tendon tear
- Injury of muscle of right posterior lower leg
- Nontraumatic rupture of tendon of right patella
- Nontraumatic tear of bilateral quadriceps tendons
- Nontraumatic plantaris tendon rupture
- Nontraumatic tear of tendon of right lower leg
- Nontraumatic rupture of tendon of bilateral lower legs
- Rupture of left Achilles tendon
- Nontraumatic rupture of quadriceps tendon
- Injury of posterior crural muscle of right lower leg
- Non-traumatic rupture of tendon of right lower leg
- Nontraumatic rupture of bilateral Achilles tendons
- Nontraumatic rupture of right quadriceps tendon
- Rupture achilles tendon
- Nontraumatic rupture of plantaris tendon of right lower limb
- Non-traumatic tear of bilateral patellar tendons
- Nontraumatic tear of tendon of bilateral lower legs
- Non-traumatic rupture of bilateral Achilles tendons
- Nontraumatic tear of bilateral patellar tendons
- Non-traumatic rupture of Achilles tendon
- Bilateral nontraumatic plantaris tendon rupture
- Non-traumatic rupture of tendon of bilateral lower legs
- Nontraumatic rupture of both Achilles tendons
- Nontraumatic rupture of bilateral patellar tendons
- Non-traumatic rupture of tendon of right patella
- Rupture of plantaris tendon
- Non-traumatic rupture of left Achilles tendon
- Non-traumatic rupture of patellar tendon
- Nontraumatic rupture of tendon of left patella
- Nontraumatic tear of left plantaris tendon
- Nontraumatic rupture of plantaris tendon
- Nontraumatic rupture of plantaris tendon of left lower limb
- Nontraumatic rupture of tendon of both lower legs
- Rupture of right plantaris tendon
- Patellar tendon rupture
- Nontraumatic rupture of both patellar tendons
- Nontraumatic tear of right plantaris tendon
- Non-traumatic rupture of tendon of left lower leg
- Rupture of patellar tendon
- Non-traumatic rupture of plantaris tendon
- Non-traumatic rupture of tendon of left patella
- Nontraumatic rupture of left Achilles tendon
- Right Achilles tendon tear
- Rupture of right Achilles tendon
- Left Achilles tendon tear
- Non-traumatic rupture of right Achilles tendon
- Nontraumatic rupture of right Achilles tendon
- Nontraumatic rupture of tendon of right lower leg
- Injury of right Achilles tendon
- Injury of muscle of left posterior lower leg
- Non-traumatic rupture of plantaris tendon of left lower limb
- Nontraumatic rupture of tendon of bilateral quadriceps muscles
- Rupture of left plantaris tendon
- Nontraumatic tear of tendon of left lower leg
- Bilateral nontraumatic plantaris tendon tear
- Non-traumatic rupture of right quadriceps tendon
Frequently Asked Questions
What is the ICD-10 code for spontaneous rupture of other tendons, right lower leg?
The ICD-10-CM code for spontaneous rupture of other tendons, right lower leg is M66.861. The full clinical description is "Spontaneous rupture of other tendons, right lower leg". M66.861 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M66.861 mean?
ICD-10-CM code M66.861 represents “Spontaneous rupture of other tendons, right lower leg”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M66.861 a billable code?
Yes, M66.861 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M66.861 in?
M66.861 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What SNOMED CT codes does M66.861 map to?
M66.861 maps to 31 SNOMED CT concepts: 16051911000119108, 42411000087100, 11861521000119100, 11861481000119100, 42421000087108, and 26 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M66.861?
M66.861 is linked to 1 UMLS Concept Unique Identifier: C2896018. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M66.861 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like spontaneous rupture of other tendons, right lower leg 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 M66.861?
There is no direct ICD-11 mapping available for M66.861 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.