medical billing and coding

what are the CPT® codes for these;

1. Code a hepatitis A, IgM antibody; hepatitis B core antibody, Igm; hepatitis C antibody, all ordered at the same time. (seperate the codes with a comma in your response as follows XXXXx,XXXX)

2. drug screening, confirmation, one procedure

3. fecal occult blood, three determination by guaiac

4. peripheral blood smear interpretation by physician with a written report

5. alkaloids, quantitative, urine

6. three- specimens for total gastric acid

7. blood analysis for HGH