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Home/Diagnosis/ICD-10 Coding for Ankylosing Spondylitis

ICD-10 Coding for Ankylosing Spondylitis

M45.0
M45.6

Complete ICD-10-CM coding and documentation guide for icd-10 coding for ankylosing spondylitis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
AS
Bechterew's Disease
Marie-Strümpell Disease
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Key Information: ICD-10 Coding for Ankylosing Spondylitis

Essential facts and insights about ICD-10 Coding for Ankylosing Spondylitis

Use ICD-10 code M45.0 for ankylosing spondylitis of multiple sites in spine, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Ankylosing spondylitis of multiple sites in spine

Billable Code
M45.0
Billable

Diagnostic Criteria

clinical:
  • • Radiographic evidence of sacroiliitis
documentation:
  • • Specify multiple spinal regions affected

Applicable To

  • • Ankylosing spondylitis affecting multiple spinal regions

Important Notes

  • • Ensure to document specific spinal regions affected.

Ankylosing spondylitis lumbar region

Billable Code
M45.6
Billable

Diagnostic Criteria

clinical:
  • • MRI showing sacroiliitis
  • • HLA-B27 positive
  • • Elevated CRP/ESR

Applicable To

  • • Ankylosing spondylitis affecting the lumbar spine

Important Notes

  • • Document lumbar involvement specifically.
Ancillary Codes

Additional codes that may be used with this diagnosis

H20.1

Acute and subacute iridocyclitis

Use for uveitis associated with ankylosing spondylitis.

Frequently Asked Questions

What is the ICD-10 code for ankylosing spondylitis?

The ICD-10 code for ankylosing spondylitis is M45, with specific codes like M45.6 for lumbar region involvement.

How is ankylosing spondylitis diagnosed?

Diagnosis involves clinical evaluation, imaging for sacroiliitis, and lab tests like HLA-B27. MRI is often used for early detection.

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