M99.56 – Intervertebral disc stenosis of neural canal of lower extremity
ICD-10-CM 2027 diagnosis code · Biomechanical lesions, not elsewhere classified (M99)
- Code
M99.56(claims format:M9956)- Description
- Intervertebral disc stenosis of neural canal of lower extremity
- Short description
- Intervertebral disc stenosis of neural canal of low extrm
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M99 Biomechanical lesions, not elsewhere classified (M99)
- Parent codes
- M99 › M99.5
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M99 – Biomechanical lesions, not elsewhere classified
- This category should not be used if the condition can be classified elsewhere.
Index terms for M99.56
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in M99.5
- M99.50 – Intervertebral disc stenosis of neural canal of head regionBillable
- M99.51 – Intervertebral disc stenosis of neural canal of cervical regionBillable
- M99.52 – Intervertebral disc stenosis of neural canal of thoracic regionBillable
- M99.53 – Intervertebral disc stenosis of neural canal of lumbar regionBillable
- M99.54 – Intervertebral disc stenosis of neural canal of sacral regionBillable
- M99.55 – Intervertebral disc stenosis of neural canal of pelvic regionBillable
- M99.57 – Intervertebral disc stenosis of neural canal of upper extremityBillable
- M99.58 – Intervertebral disc stenosis of neural canal of rib cageBillable
- M99.59 – Intervertebral disc stenosis of neural canal of abdomen and other regionsBillable
Frequently asked questions
What is ICD-10 code M99.56?
M99.56 is the ICD-10-CM code for intervertebral disc stenosis of neural canal of lower extremity, in the block M99 (Biomechanical lesions, not elsewhere classified (M99)).
Is M99.56 a billable code?
Yes. M99.56 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does M99.56 belong to?
It belongs to category M99 – Biomechanical lesions, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.