Table 1.
Infectious workup.
| Laboratory test | Result | Reference value |
|---|---|---|
| Adenovirus | Not Detected | Not Detected |
| Anaplasmosis DNA PCR | Not Detected | Not Detected |
| Aspergillus Antigen | Not Detected | Not Detected |
| Babesia DNA PCR | Not Detected | Not Detected |
| Blastomycoses Quant. Antigen | Not Detected | 0.2–14.7 ng/mL |
| Borrelia DNA PCI | Not Detected | Not Detected |
| Coxsackie Antibody | Not Detected | Not Detected |
| Cytomegalovirus DNA PCR | < 200 IU/mL | < 200 IU/mL |
| EBV DNA PCR | < 200 copies/mL | < 200 copies/mL |
| Ehrlichia DNA PCR | Not Detected | Not Detected |
| Fungitell (1–3)-B-D-Glucan | Not Detected | Not Detected |
| Hepatitis B Core Ab, Total | Nonreactive | Nonreactive |
| Hepatitis B Surface Ab | < 10 MIU/mL | < 10 MIU/mL |
| Hepatitis B Surface Ag | Nonreactive | Nonreactive |
| Hepatitis C Ab | Negative | Negative |
| Histoplasma Quant. Antigen | Not Detected | 0.4–19 ng/mL |
| HIV-1/HIV-2 Ag/Ab | Nonreactive | Nonreactive |
| Human Metapneumovirus | Not Detected | Not Detected |
| Influenza A | Not Detected | Not Detected |
| Influenza B | Not Detected | Not Detected |
| Legionella Urine Ag | Negative | Negative |
| Mycoplasma pneumoniae Ab IgGa | 2.4a | < 0.90 |
| Mycoplasma pneumoniae Ab IgM | 378 U/mL | < 779 U/mL |
| Parvovirus B19 IgGa | 7.2a | < 0.9 |
| Parvovirus B19 IgMa | 0.1a | < 0.9 |
| Rhinovirus | Not Detected | Not Detected |
| RSV A/B | Not Detected | Not Detected |
| SARS-COV-2 IgG | Negative | Negative |
| Toxoplasma IgG (initial) | 36.7 IU/mL | < 7.2 IU/mL |
| Toxoplasma IgG (repeat 5 days) | 97.6 IU/mL | < 7.2 IU/mL |
| Toxoplasma IgG (repeat 5 weeks) | 117 IU/mL | < 7.2 IU/mL |
| Toxoplasma IgM Ab (initial) | > 160 AU/mL | < 8.0 AU/mL |
| Toxoplasma IgM Ab (repeat 5 days) | > 160 AU/mL | < 8.0 AU/mL |
| Toxoplasma IgM Ab (repeat 5 weeks) | > 160 AU/mL | < 8.0 AU/mL |
Elevated Toxoplasma IgM and IgG. Repeat titers showed continued elevation of IgM and uptrending IgG.
a
Parvovirus B19 IgM, Parvovirus B19 IgG, and Mycoplasma IgG elevation was thought related to remote viral exposure rather than an active infection.