M49.86
✓ BillableSpondylopathy in diseases classified elsewhere, lumbar region
Diseases of the musculoskeletal system and connective tissue (M00-M99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • curvature of spine in tuberculosis [Pott's] (A18.01)
- • enteropathic arthropathies (M07.-)
- • gonococcal spondylitis (A54.41)
- • neuropathic [tabes dorsalis] spondylitis (A52.11)
- • neuropathic spondylopathy in syringomyelia (G95.0)
- • neuropathic spondylopathy in tabes dorsalis (A52.11)
- • nonsyphilitic neuropathic spondylopathy NEC (G98.0)
- • spondylitis in syphilis (acquired) (A52.77)
- • tuberculous spondylitis (A18.01)
- • typhoid fever spondylitis (A01.05)
📋 Code Instructions
inherited- • Code first: underlying disease, such as:
- • Code first: brucellosis (A23.-)
- • Code first: Charcot-Marie-Tooth disease (G60.0)
- • Code first: enterobacterial infections (A01-A04)
- • Code first: osteitis fibrosa cystica (E21.0)
Clinical Description
ICD-10-CM code M49.86 represents spondylopathy in diseases classified elsewhere, lumbar region. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that M49.86 has 10 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code M49.86?
ICD-10-CM code M49.86 is "Spondylopathy in diseases classified elsewhere, lumbar region". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M49.86 a billable ICD-10 code?
Yes, M49.86 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with M49.86?
M49.86 has 10 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in M49.8
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)