2026 ACR Appropriateness Criteria update for diffuse lung disease imaging

The ACR Appropriateness Criteria 2026 update provides imaging guidelines for suspected or confirmed diffuse lung disease, covering initial evaluation, acute exacerbation, and surveillance.

• The guideline addresses three clinical scenarios: initial imaging of suspected diffuse lung disease, imaging for acute exacerbation/decompensation, and surveillance of stable confirmed diffuse lung disease.
• Recommendations were developed through systematic literature review using GRADE and RAND/UCLA methodology.

Automated summary

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