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. 2022 Apr 25;43(8):5119–5123. doi: 10.1007/s10072-022-06058-z

Table 2.

Microbiology and immunology tests

Test Admission Convalescent Reference range
EBV VCA IgG 340  > 750  < 22.00 U/mL
EBV VCA IgM 82.7 68.7  < 44.00 U/mL
EBV-Na Ab 289  > 600  < 22.00 U/mL
EBV DNA PCR, serum  < 200 copies/ml  < 200 copies/ml
Monospot Negative
VZV IgM  < 0.9  < 0.9
VZV IgG  > 4000  > 165 index
HSV 1 IgG 24.70 High  < 0.90 index
HSV 1 IgM Negative
HSV1 CSF PCR Negative
HSV 2 IgG 7.07 High  < 0.90 index
HSV 2 IgM Negative
HSV2 CSF PCR Negative
CMV IgM  < 30.00  < 30.00 AU/mL
CMV IgG  < 0.60  < 0.60 U/mL
CMV DNA, real time PCR  < 200 copies/ml  < 200 IU/mL
CMV DNA, QN PCR  < 2.30  < 2.30 log IU/mL
HIV Ag/Ab, 4th generation Non reactive
VDRL CSF Negative
Cryptococcus antigen, CSF Negative
Enterovirus CSF PCR Negative
R. rickettsii IgM Not detected
R. rickettsii IgG Not detected
RSMF IgM Not detected
RSMF IgG Not detected
E. chaffeensis IgG  < 1:64  < 1:64
E. chaffeensis IgM  < 1:20  < 1:20
E. chaffeensis DNA Not detected
A. phagocytophilum IgG 1:64 (High)  < 1:64
A. phagocytophilum IgM  < 1:20  < 1:20
A. phagocytophilium DNA Not detected
B. microti DNA Not detected
B. miyamotoi DNA Not detected
Lyme by PCR, whole Blood Not detected
Lyme disease Abs IgG Positive (7/10 antibodies reactive)  ≤ 4/10 reactive against borrelial proteins
Lyme disease Abs IgM Negative (1/3 antibodies reactive)  ≤ 1/3 reactive against borrelial proteins
F. tularencis Ab  < 1:20  < 1:20
M. pneumoniae IgM 59  < 770 U/ml
M. pneumoniae IgG 2.92  < 0.9
S. pneumoniae urinary antigen Negative
L. pneumoniae urinary antigen Negative
Group A Streptococcus antigen, throat swab Negative
SARS-CoV-2 RNA Negative Negative
HCV Ab Negative
HBsAg Negative
HBsAb Negative
HBcAb Negative
Eastern Equine Encephalitis virus IgG  < 1:16  < 1:16
Eastern Equine Encephalitis virus IgM  < 1:16  < 1:16
West Nile IgG  < 1.3  < 1.3 index
West Nile IgM  < 0.9  < 0.9 index
Powassan virus IgM, CSF Positive
Inflammatory and autoimmune markers
CRP  < 5  < 10 mg/L
ESR 79 18 0–36 mm/hr
Rheumatoid factor 20.8  < 12 IU/ml
ANA Negative
ANCA Negative
C3 complement 121 83–193 mg/dL
Complement total (CH50) 37 31–60 U/mL