Davis's Lab & Diagnostic Tests
Hepatitis Testing
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Synonym/Acronym:
Hepatitis A antibody: HAV, hepatitis B antigen and antibodies: HBV (HBeAg, HBeAb, HBcAb, HBsAb, HBsAg), hepatitis C antibody: HCV, hepatitis D antibody: HDV (delta hepatitis), hepatitis E antibody: HEV.
Rationale
To test blood for the presence of antibodies that would indicate a past or current hepatitis infection.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Enzyme immunoassay for HAV, HBV, HDV, HEV; polymerase chain reaction (PCR) may also be used where indicated. Negative.
(Method: Enzyme immunoassay, chemiluminescent immunoassay, branched chain DNA [bDNA], Nucleic Acid Amplification Testing (NAAT), PCR, recombinant immunoblot assay [RIBA], viral RNA RT [reverse transcription] PCR) for HCV. Negative.
Critical Findings and Potential Interventions
Specific infectious organisms are required to be reported to local, state, and national departments of health. Lists of specific organisms may vary among facilities. State health departments provide information regarding reportable diseases, which can be accessed at each state health department Web site. The CDC provides information regarding national notifiable diseases at https://wwwn.cdc.gov/nndss/conditions/notifiable/2019/.
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Synonym/Acronym:
Hepatitis A antibody: HAV, hepatitis B antigen and antibodies: HBV (HBeAg, HBeAb, HBcAb, HBsAb, HBsAg), hepatitis C antibody: HCV, hepatitis D antibody: HDV (delta hepatitis), hepatitis E antibody: HEV.
Rationale
To test blood for the presence of antibodies that would indicate a past or current hepatitis infection.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Enzyme immunoassay for HAV, HBV, HDV, HEV; polymerase chain reaction (PCR) may also be used where indicated. Negative.
(Method: Enzyme immunoassay, chemiluminescent immunoassay, branched chain DNA [bDNA], Nucleic Acid Amplification Testing (NAAT), PCR, recombinant immunoblot assay [RIBA], viral RNA RT [reverse transcription] PCR) for HCV. Negative.
Critical Findings and Potential Interventions
Specific infectious organisms are required to be reported to local, state, and national departments of health. Lists of specific organisms may vary among facilities. State health departments provide information regarding reportable diseases, which can be accessed at each state health department Web site. The CDC provides information regarding national notifiable diseases at https://wwwn.cdc.gov/nndss/conditions/notifiable/2019/.
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