Sorted By Test Name - Mayo Medical Laboratories

FNEFA
91135
6-11 months: 1,400-4,300 cells/mcL*
12-23 months: 1,300-3,400 cells/mcL*
2-5 years: 700-2,200 cells/mcL*
6-11 years: 650-1,500 cells/mcL*
12-17 years: 530-1,300 cells/mcL*
18-55 years: 424-1,509 cells/mcL
>55 years: 430-1,513 cells/mcL
Suppressor Cells (CD8)
0-2 months: 560-1,700 cells/mcL*
3-5 months: 590-1,600 cells/mcL*
6-11 months: 500-1,700 cells/mcL*
12-23 months: 620-2,000 cells/mcL*
2-5 years: 490-1,300 cells/mcL*
6-11 years: 370-1,100 cells/mcL*
12-17 years: 330-920 cells/mcL*
18-55 years: 169-955 cells/mcL
>55 years: 101-839 cells/mcL
LYMPHOCYTE RATIO
H/S ratio: > or =1.0
*Shearer WT, Rosenblatt HM, Gelman RS, et al: Lymphocyte subsets in healthy children from birth
through 18 years of age: The Pediatric AIDS Clinical Trials Group P1009 study. J Allergy Clin Immunol
2003;112(5):973-980
Clinical References: Natural Killer (NK) Cytotoxicity Profile: Patarca R, Fletcher MA, Podack ER:
Chapter 33: Cytolytic cell functions. In Manual of Clinical Laboratory Immunology. Fifth edition. Edited
by NR Rose, E Conway de Macario, JD Folds, et all. Washington, DC, ASM Press, 1997 T- and B-Cell
Quantitation by Flow Cytometry: 1. Carmichael KF, Abayomi A: Analysis of diurnal variation of
lymphocyte subsets in healthy subjects and its implication in HIV monitoring and treatment. 15th Intl
Conference on AIDS, Bangkok, Thailand, 2004, Abstract B11052 2. Dimitrov S, Benedict C, Heutling D,
et al: Cortisol and epinephrine control opposing circadian rhythms in T-cell subsets. Blood 2009
(prepublished online March 17, 2009) 3. Dimitrov S, Lange T, Nohroudi K, Born J: Number and function
of circulating antigen presenting cells regulated by sleep. Sleep 2007;30:401-411 4. Kronfol Z, Nair M,
Zhang Q, et al: Circadian immune measures in healthy volunteers: relationship to
hypothalamic-pituitary-adrenal axis hormones and sympathetic neurotransmitters. Psychosom Med
1997;59:42-50 5. Malone JL, Simms TE, Gray GC, et al: Sources of variability in repeated T-helper
lymphocyte counts from HIV 1-infected patients: total lymphocyte count fluctuations and diurnal cycle
are important. J AIDS 1990;3:144-151 6. Paglieroni TG, Holland PV: Circannual variation in lymphocyte
subsets, revisited. Transfusion 1994;34:512-516 7. Mandy FF, Nicholson JK, McDougal JS: Guidelines
for performing single-platform absolute CD4+T-cell determinations with CD45 gating for persons
infected with human immunodeficiency virus. Center for Disease Control and Prevention. MMWR Morb
Mortal Wkly Rep 2003;52:1-13 8. Centers for Disease Control: 1997 Revised guidelines for performing
CD4+ T-cell determinations in persons infected with human immunodeficiency virus (HIV). MMWR
Morb Mortal Wkly Rep 46 no. RR-2: 1997, pp 1-29 9. U.S. Department of Health and Human Services:
Recommendations for prophylaxis against Pneumocystis carinii pneumonia for adults and adolescents
infected with human immunodeficiency virus. MMWR Morb Mortal Wkly Rep 43 no. RR-3: 1994, pp
1-21
Nefazodone (Serzone)
Reference Values:
Expected Nefazodone concentrations on recommended daily
dosage regimens:
100 - 4000 ng/mL
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