Reactive Arthritis Diagnostic Criteria - Medical Algorithm

Are you evaluating a patient for evidence of reactive arthritis?

Yes

Does the patient have?

• an asymmetrical arthritis?

Yes

• involvement predominantly of the lower extremities?

Yes

• history of diarrhea or urethritis in the 4 weeks preceding arthritis onset?

Yes

• a stool culture or serologic test positive for Yersinia, Salmonella or Shigella?

Yes

• evidence of Chlamydia trachomatis by culture, PCR or serology?

Yes

Is there a rheumatic disease that can explain the findings better?

Yes

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Number of criteria met

Does the patient have reactive arthritis?

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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

Criteria of Sieper and Braun for Reactive Arthritis

Purpose: To evaluate a patient for reactive arthritis using the criteria of Sieper and Braun.

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Monitoring

Specialty

Objective

ICD-10