Biomechanical lesion, unspecified
Billable / specific
M99.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from M99)
- Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
- Note: This category should not be used if the condition can be classified elsewhere.
Excludes2
Not included here — may be reported together when both conditions exist.
- arthropathic psoriasis (L40.5-) (from M99)
- certain conditions originating in the perinatal period (P04-P96) (from M99)
- certain infectious and parasitic diseases (A00-B99) (from M99)
- compartment syndrome (traumatic) (T79.A-) (from M99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M99)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M99)
- endocrine, nutritional and metabolic diseases (E00-E88) (from M99)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from M99)
- neoplasms (C00-D49) (from M99)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M99)
Also known as
- Lesion, biomechanical
Parent code
- M99Biomechanical lesions, not elsewhere classifiedHeader
Related codes
- M99.0Segmental and somatic dysfunctionHeader
- M99.1Subluxation complex (vertebral)Header
- M99.2Subluxation stenosis of neural canalHeader
- M99.3Osseous stenosis of neural canalHeader
- M99.4Connective tissue stenosis of neural canalHeader
- M99.5Intervertebral disc stenosis of neural canalHeader
- M99.6Osseous and subluxation stenosis of intervertebral foraminaHeader
- M99.7Connective tissue and disc stenosis of intervertebral foraminaHeader
- M99.8Other biomechanical lesionsHeader