106 Commerce Street, Suite 105
Lake Mary, FL 32746
TEL: 407.878.7606 • FAX: 407.878.7611
Order additional copies at GuidelineCentral.com
Copyright © 2021 All rights reserved
ATSHP12203a
Disclaimer
is pocket guide attempts to define principles of practice that should produce high-quality
patient care. It is applicable to specialists, primary care, and providers at all levels. is
pocket guide should not be considered exclusive of other methods of care reasonably directed at
obtaining the same results. e ultimate judgment concerning the propriety of any course of
conduct must be made by the clinician aer consideration of each individual patient situation.
Neither IGC, the medical associations, nor the authors endorse any product or service associated
with the distributor of this clinical reference tool.
Abbreviations
B, bronchovascular bundle; CT, computed tomography; GGO, ground-glass opacity;
HFC-134a, hydrofluorocarbon 134a; HP, hypersensitivity pneumonitis; HRCT, high-
resolution computed tomography; IIP, idiopathic interstitial pneumonias; IPF, idiopathic
pulmonary fibrosis; kVp, kilovolt peak; lymphs, lymphocytes; MIC, methylisocyanate;
N/A, not applicable; NDI, naphtylene-1,5-diisocyanate; NSIP, nonspecific interstitial
pneumonia; SLB, surgical lung biopsy; TBLB, transbronchial lung biopsy; TBLC,
transbronchial lung cryobiopsy; TMI, trimethylindium; UIP, usual interstitial pneumonia
Source
Raghu G, Remy-Jardin M, Ryerson CJ, Myers JL, Kreuter M, Vasakova M, et. al. Diagnosis
of hypersensitivity pneumonitis in adults. An official ATS/JRS/ALAT clinical practice
guideline. Am J Respir Crit Care Med 2020;202(3):e36–e69.
Am J Respir Crit Care Med 2021;203:150–151.
