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Line 10: \| OtherCodes = CPT: 94720 }} '''Diffusing capacity''' of the lung (D<sub>L</sub>) (also known as ''transfer factor'') measures the transfer of gas from air in the lung, to the [[red blood cell]]s in lung blood vessels. It is part of a comprehensive series of [[pulmonary function testing\|pulmonary function tests]] to determine the overall ability of the [[lung]] to transport gas into and out of the blood. D<sub>L</sub>, especially [[DLCO\|D<sub>LCO</sub>]], is reduced in certain diseases of the lung and heart. D<sub>LCO</sub> measurement has been standardized according to a position paper<ref name="multiple">{{cite journal \|vauthors=Macintyre N, Crapo RO, Viegi G, etal \| year = 2005 \| title = Standardisation of the single-breath determination of carbon monoxide uptake in the lung \| journal = Eur Respir J \| volume = 26 \| issue = 4\| pages = 720–35 \| doi = 10.1183/09031936.05.00034905 \| pmid = 16204605 \| s2cid = 18177228 \| doi-access = free }}</ref> by a task force of the [[European Respiratory Society\|European Respiratory]] and [[American Thoracic Society\|American Thoracic]] Societies. In [[respiratory physiology]], the diffusing capacity has a long history of great utility, representing [[Electrical resistance and conductance\|conductance]] of gas across the alveolar-capillary membrane and also takes into account factors affecting the behaviour of a given gas with hemoglobin.{{Citation needed\|reason=uncited definition\|date=March 2014}}

Diffusing capacity: Difference between revisions