M99.8
Non-billableOther biomechanical lesions
Other biomechanical lesions
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
Child Codes (10)
M99.80Other biomechanical lesions of head region
M99.81Other biomechanical lesions of cervical region
M99.82Other biomechanical lesions of thoracic region
M99.83Other biomechanical lesions of lumbar region
M99.84Other biomechanical lesions of sacral region
M99.85Other biomechanical lesions of pelvic region
M99.86Other biomechanical lesions of lower extremity
M99.87Other biomechanical lesions of upper extremity
M99.88Other biomechanical lesions of rib cage
M99.89Other biomechanical lesions of abdomen and other regions
Related Codes(9)
M99.0Segmental and somatic dysfunction
M99.1Subluxation complex (vertebral)
M99.2Subluxation stenosis of neural canal
M99.3Osseous stenosis of neural canal
M99.4Connective tissue stenosis of neural canal
M99.5Intervertebral disc stenosis of neural canal
M99.6Osseous and subluxation stenosis of intervertebral foramina
M99.7Connective tiss and disc stenosis of intervertebral foramina
M99.9Biomechanical lesion, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other biomechanical lesions?
The ICD-10-CM code for other biomechanical lesions is M99.8. The full clinical description is "Other biomechanical lesions". M99.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code M99.8 mean?
ICD-10-CM code M99.8 represents “Other biomechanical lesions”. 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 M99.8 a billable code?
No, M99.8 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 M99.8.
What chapter is M99.8 in?
M99.8 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What are the subcategories under M99.8?
M99.8 has 10 child codes, including: M99.80 (Other biomechanical lesions of head region), M99.81 (Other biomechanical lesions of cervical region), M99.82 (Other biomechanical lesions of thoracic region), M99.83 (Other biomechanical lesions of lumbar region), and 6 more.
What are the UMLS CUIs for M99.8?
M99.8 is linked to 1 UMLS Concept Unique Identifier: C0477709. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M99.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other biomechanical lesions 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 M99.8?
M99.8 maps to the ICD-11 code: ME93.Z (Biomechanical lesions, unspecified).
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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.