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Home/Diagnosis/ICD-10 Coding for Sacroiliitis

ICD-10 Coding for Sacroiliitis

M46.1
M53.3

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

Also Known as:
SI joint inflammation
Sacroiliac joint inflammation
sacroiliac joint pain
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Key Information: ICD-10 Coding for Sacroiliitis

Essential facts and insights about ICD-10 Coding for Sacroiliitis

Use ICD-10 code M46.1 for sacroiliitis, not elsewhere classified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Sacroiliitis, not elsewhere classified

Billable Code
M46.1
Billable

Diagnostic Criteria

clinical:
  • • Presence of radiographic evidence of sacroiliitis
documentation:
  • • Documented imaging findings showing Grade 2+ changes

Applicable To

  • • Confirmed inflammatory sacroiliitis

Important Notes

  • • Ensure imaging findings are documented to support the use of M46.1.

Sacroiliac joint dysfunction, not elsewhere classified

Billable Code
M53.3
Billable

Diagnostic Criteria

clinical:
  • • Clinical diagnosis based on symptoms without imaging confirmation

Applicable To

  • • SI joint pain without confirmed inflammation

Important Notes

  • • Appropriate for cases where imaging is not available or does not show inflammation.
Ancillary Codes

Additional codes that may be used with this diagnosis

M45.9

Ankylosing spondylitis of unspecified sites in spine

Use when sacroiliitis is due to ankylosing spondylitis.

Frequently Asked Questions

What is the ICD-10 code for sacroiliitis?

The ICD-10 code for sacroiliitis is M46.1, used when there is confirmed inflammation with imaging evidence.

When should M53.3 be used instead of M46.1?

Use M53.3 for sacroiliac joint pain without confirmed inflammation on imaging.

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