Comparison of pooled fresh frozen serum to proficiency testing material in College of American Pathologists surveys: Cortisol and immunoglobulin E

Archives of Pathology and Laboratory Medicine

Volumn 129, Issue 3, 2005, Pages 305-309

  Palmer Toy, Darryl Erik ^a,h   Wang, Edward ^b   Winter, William E ^c   Soldin, Steven J ^d   Klee, George G ^e   Howanitz, Joan H ^f   Elin, Ronald J ^g  

^a MASSACHUSETTS GENERAL HOSPITAL   (United States)

^b Autopsy Comm Coll Amer P   (United States)

^c UNIVERSITY OF FLORIDA   (United States)

^d GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE   (United States)

^e MAYO CLINIC   (United States)

^f University Hospital of Brooklyn   (United States)

^g University of Louisville School of Medicine   (United States)

^h Cambridge   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HYDROCORTISONE; IMMUNOGLOBULIN E;

ACCURACY; ANALYTICAL ERROR; ASSAY; CLINICAL LABORATORY; CONTROLLED STUDY; COVARIANCE; DIAGNOSTIC TEST; FRESH FROZEN SERUM; HUMAN; HYDROCORTISONE BLOOD LEVEL; IMMUNOGLOBULIN BLOOD LEVEL; INSTRUMENT; INTERMETHOD COMPARISON; MEDICAL SOCIETY; PROFICIENCY TESTING; PROSPECTIVE STUDY; QUALITY CONTROL; REVIEW; SERUM; STANDARD;

CLINICAL LABORATORY TECHNIQUES; DATA COLLECTION; HUMANS; HYDROCORTISONE; IMMUNOGLOBULIN E; OBSERVER VARIATION; PATHOLOGY, CLINICAL; PLASMA; PROSPECTIVE STUDIES; SINGLE-BLIND METHOD; UNITED STATES;

EID: 14844322870     PISSN: 00039985     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review

References (9)

1. Clinical Laboratory Improvement Amendments of 1988; Final Rule, 57 Federal Register 7002-7288 (1992).
2. Eckfeldt JH, Copeland KR. Accuracy verification and identification of matrix effects: the College of American Pathologists' protocol. Arch Pathol Lab Med. 1993;117:381-386.
3. Ross JW, Miller WG, Myers GL, Praestgaard J. The accuracy of laboratory measurements in clinical chemistry: a study of 11 routine chemistry analytes in the College of American Pathologists Chemistry Survey with fresh frozen serum, definitive methods, and reference methods. Arch Pathol Lab Med. 1998;122:587-608.
4. Miller G, Myers GL, Ashwood ER, et al. Creatinine measurement: state of the art in accuracy and interlaboratory harmonization. Arch Pathol Lab Med. 2005;129:297-304.
5. Petersen PH, Stockl D, Westgard JO, Sandberg S, Linnet K, Thienpont L. Models for combining random and systematic errors. Assumptions and consequences for different models. Clin Chem Lab Med. 2001;39:589-595.
6. Fraser CG, Petersen PH, Ricos C, Haeckel R. Proposed quality specifications for the imprecision and inaccuracy of analytical systems for clinical chemistry. Eur J Clin Chem Biochem. 1992;30:311-317.
7. Ahokoski O, Virtanen A, Kairisto V, Scheinin H, Huupponen R, Irjala K. Biological day-to-day variation and reference change limits of serum cortisol and aldosterone in healthy young men on unrestricted diets. Clin Chem. 1999;45: 1097-1099.
8. Steele BW, Palmer-Toy DE, Elin RJ, Klee GG, Wang E. Long term within laboratory precision of cortisol, thyroxine, free thyroxine and TSH assays based on a CAP fresh frozen serum study. Clin Chem. 2004;50(6S):A108-A109.
9. Hosogaya S, Naito K, Sakamoto M, Osada M, Yatomi Y, Ozaki Y. Biological inter- and intra-individual variations of serum immunochemical constituents and their allowable limits of analytical error [in Japanese]. Rinsho Syori. 1999;47: 875-880.