Laboratory Workup of Amyloidosis.
Archives of Pathology & Laboratory Medicine
|November 24, 2025
Summary
Accurate diagnosis of systemic amyloidosis is vital for effective treatment. This guideline provides recommendations for pathologists and laboratories to improve amyloidosis testing and workup, optimizing patient care.
Area of Science:
- Pathology
- Clinical Diagnostics
- Medical Guidelines
Background:
- Systemic amyloidosis treatments show promise, but early diagnosis and accurate fibril typing are critical.
- Current diagnostic and workup procedures for amyloidosis lack consistency among pathologists and laboratories.
- Inconsistent diagnostic practices can hinder optimal patient care for systemic amyloidosis.
Purpose of the Study:
- To establish evidence-based recommendations for laboratory testing in amyloidosis detection.
- To guide the identification of specific amyloidogenic proteins for improved patient management.
- To optimize patient care through standardized amyloidosis testing and workup protocols.
Main Methods:
- A panel of experts convened by the College of American Pathologists developed guidelines.
- Recommendations were formulated using the National Academy of Medicine's standards for trustworthy clinical practice guidelines.
- A systematic literature review and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework informed the recommendations.
Main Results:
- Four conditional recommendations were established for amyloidosis testing and workup.
- Three good practice statements were developed to guide laboratory procedures.
- The guideline addresses challenges and limitations in diagnosing systemic amyloidosis from tissue samples.
Conclusions:
- The guideline provides essential recommendations for pathologists and laboratories involved in amyloidosis diagnosis.
- Standardized testing and workup are crucial for improving the accuracy of amyloidosis diagnosis.
- Implementing these recommendations aims to enhance patient care and treatment outcomes for systemic amyloidosis.


