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Home/Diagnosis/ICD-10 Coding for Spondyloarthritis

ICD-10 Coding for Spondyloarthritis

M45.A0
M45.9

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

Also Known as:
Axial Spondyloarthritis
Ankylosing Spondylitis
Non-radiographic Axial Spondyloarthritis
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Key Information: ICD-10 Coding for Spondyloarthritis

Essential facts and insights about ICD-10 Coding for Spondyloarthritis

Use ICD-10 code M45.A0 for non-radiographic axial spondyloarthritis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Non-radiographic axial spondyloarthritis

Billable Code
M45.A0
Billable

Diagnostic Criteria

clinical:
  • • MRI shows sacroiliitis without X-ray changes.
documentation:
  • • Document inflammatory back pain and MRI findings.

Applicable To

  • • Inflammatory back pain
  • • Sacroiliitis on MRI without X-ray changes

Important Notes

  • • Ensure MRI findings are documented to differentiate from ankylosing spondylitis.

Ankylosing spondylitis

Billable Code
M45.9
Billable

Diagnostic Criteria

clinical:
  • • Use when X-rays confirm sacroiliitis.

Applicable To

  • • X-ray confirmed sacroiliitis

Important Notes

  • • Ensure X-ray findings are documented to differentiate from non-radiographic axial spondyloarthritis.
Ancillary Codes

Additional codes that may be used with this diagnosis

G89.21

Chronic pain due to trauma

Use for chronic pain associated with spondyloarthritis.

G89.29

Other chronic pain

Use for chronic pain associated with ankylosing spondylitis.

Frequently Asked Questions

What is the ICD-10 code for non-radiographic axial spondyloarthritis?

The ICD-10 code for non-radiographic axial spondyloarthritis is M45.A0, used when MRI shows sacroiliitis without X-ray changes.

How is ankylosing spondylitis coded in ICD-10?

Ankylosing spondylitis is coded as M45.9 in ICD-10, applicable when X-rays confirm sacroiliitis.

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