ASAS Classification Criteria for Axial Spondyloarthritis

Are you evaluating a patient with chronic back pain (lasting >= 3 months)?

Yes

Age at onset of back pain

years

Does the patient have?

• inflammatory back pain?

Yes

• arthritis?

Yes

• enthesitis involving the heel?

Yes

• uveitis?

Yes

• dactylitis?

Yes

• psoriasis?

Yes

• idiopathic inflammatory bowel disease (ulcerative colitis or Crohn's disease)?

Yes

• a good response to NSAIDs?

Yes

• a family history of spondyloarthritis?

Yes

• elevated CRP?

Yes

• HLA-B27?

Yes

Does an MRI show active inflammation highly suggestive of sacroiliitis?

Do X-rays show definite radiographic sacroiliitis using the modified New York criteria?

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Does the patient meet the imaging arm criterion?

Does the patient meet the HLA-B27 arm criterion?

Does the patient meet criteria for axial spondyloarthritis?

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
- Anklyosing Spondylitis & Axial Spondyloarthritis | Risk Factors for Radiographic Progression
Clinical Diagnosis, Including Family History For Genetics
Imaging Studies
Laboratory Tests
Other Testing
- Modified Schober Index of Macrae and Wright for Measuring Back Flexion
- Ankylosing Spondylitis Disease Activity Score
Criteria For Diagnosis
Severity, Prognosis, Stage
Differential Diagnosis And Mimics, Red Flags
- Screening Questionnaire for Ankylosing Spondylitis

Monitoring

Response To Therapy
Disease Progression
Comorbid Conditions
- Clinical Features of Arthritis with Ulcerative Colitis
- Inflammatory Back Pain with Chronic Back Pain | ASAS Criteria

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Monitoring

Specialty

Objective

ICD-10

ASAS Classification Criteria for Axial Spondyloarthritis

Purpose: To evaluate a patient with chronic back pain for axial spondylarthritis using the ASAS criteria.

Evaluation

Results

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Power Your Solutions with 5,000+ Automated Medical Analytics

Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Monitoring

Specialty

Objective

ICD-10