Beth Israel Deaconess Medical Center
Laboratory Manual

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HOW TO ORDER LABORATORY TESTS

The Clinical Laboratories at Beth Israel Deaconess Medical Center accept specimens, perform tests, report results and bill for tests in accordance with federal Medicare regulations. The laboratories encourage physicians to order tests individually, based on medical necessity.

For almost all inpatients, ordering is done via the web-based Provider Order Entry system. For guidance on using POE, please use your web browser to go to the Caregroup portal at http://home.caregroup.org . On the top right hand side there is a link labeled "HELP". Click on "HELP" and you will see a list of links including "Provider Order Entry Info". Clicking on this will bring you to a brief overview of the system. Training guides about the use of POE are available by clicking on the link in the purple bar at the top of the page labeled "Training". Click here to go directly to the training page.

For outpatients and times when the POE system is not available, paper requisitions are used. The following information applies to both methods of ordering, but much of the data is automatically captured if you are using the POE system.

Ordering Tests:

  • Specimen labeling:
    All specimens sent to the laboratory must be properly labeled with the patient's full name, MRN or other unique identifying number, date of collection, and collector's identification (see "Specimen Labeling Policy") and accompanied by a completed Clinical Laboratory test requisition.
  • Requisition forms:
    Inpatients: Requisitions may be generated electronically, through Physician Order Entry, typed or handwritten.
  • Outpatients: Use the requisition designed for the practice or site.
    NOTE: Test requests written on prescription pads may be accepted at specimen collection sites, but information must be transcribed onto an appropriate test requisition, prior to sending specimen to laboratory.
  • Requisition information:
    ALL test requisition forms must include the following information in legible print. If any of this information is missing or incomplete, it may result in delays in processing the orders:

    Tests that require additional requisition forms:

     Test name

     Form

     Source
    Blood Bank Green Blood Bank requisition  Office Depot form MC0517
    HIV Antibody Screen & HIV Viral Load HIV Diagnostics Consent and Requisition  Office Depot form MR0507
    msAFP and Triple Screen Maternal Screening requisition  call the laboratory
    HIV Genotype Orange insurance verification form call the laboratory or use the link to print a form
    HIV-2 Viral Load
    CDC Specimen Submission Form
    call the laboratory or use the link to print a form
    Prenatal Genetic Screening (e.g. Cystic Fibrosis, Tay-Sachs, Canavan Disease) Genetic Screening requisition call the laboratory
    Chimerism/Engraftment The Blood Center of SE Wisconsin test requisition call the laboratory or use the link to print a form
    RAST Quest Allergy Requisition
    call the laboratory or use the link to print a form
    State Laboratory Institute & CDC Microbiology Requisition
    State Lab/CDC Requisition
    Use the link to print form and send along with specimen or fax to 617-667-2750 for a previously submitted specimen
    Platelet and PNH Testing Requisition
    Platelet and PNH Testing Requisition
    call the laboratory or use the link to print a form
    State Laboratory Swine Flu Testing Form
    State Lab Swine Flu Requisition
    call the laboratory or use the link to print a form
    Fragile X Requisition
    Athena Diagnostics Genetic Testing Requistition
    call the laboratory or use the link to print a form
    Hematopathology / Cytogenetics / Flow Cytometry Lab Requisition
    Hematopathology / Cytogenetics / Flow Cytometry Lab Requisition
    call the laboratory or use the link to print a form

    Sending specimens:

    Adding on tests:

    WRITTEN REQUESTS may be made in one of three ways:

    VERBAL REQUESTS

    ADDITIONAL INFORMATION:

    1. When space allows, hematology (CBC) specimens are stored 3 days and discarded on the morning of the fifth day.
    2. When space allows, chemistry specimens are stored 5 days and discarded on the morning of the sixth day.
    3. Tests may be added onto specimens already in the laboratory within a reasonable amount of time, if specimen requirements are met. (See below and see 6)
    4. When multiple specimens have been received in the laboratory on a given patient, the specimen from the most recent date will be used for the add-on, unless otherwise specified.
    5. If the add-on is unacceptable, for any reason, the ordering provider will be notified.
    6. The following time restrictions (from collection) apply:

    Table 1.
    List of Tests and the interval from collection to allowed add on

    CBC or any component of CBC

    12 hours
    WBC, HGB, HCT, Plt
    12 hours
    Differential
    12 hours
    G6PD, Quantitative
    24 hours
    Reticulocyte Count
    24 hours
    Sed Rate (ESR)
    8 hours
    Hemoglobin Electrophoresis
    24 hours
    PT
    24 hours
    PTT
    4 hours
    Fibrinogen
    4 hours
    D-dimer
    8 hours
    Lupus Anticoagulant
    4 hours
    HCV VIral Load
    24 hours
    HCV Genotype
    24 hours
    HBV Viral Load
    24 hours
    Acetone
    4 hours
    Ethanol
    2 hours
    Cardiolipin Antibody
    72 hours
    Blood Bank (all tests)
    72 hours
    HLA testing
    Consult with HLA Lab
    Cytogenetics, amniotic fluid
    8 hours
    Cytogenetics, blood
    24 hours
    A1C
    4 days if on Heme specimen
    PTH
    3 days

    Table 2.
    The following tests CANNOT be added:
    Acid Phosphatase
    ACTH
    ALA or Porphobilinogen, Blood
    Aminolevulinic Acid, Urine
    Ammonia
    Carotene
    CH50
    CMV Viral Load
    Free Dilantin
    Gastrin
    HIV
    HIV Viral Load
    HIV Genotype
    HIV Phenotype
    Lactate
    Methotrexate
    Parathyroid Related Protein
    Porphyrins, Urine
    Protein C (unless previously frozen specimen exists)
    Protein S (unless previously frozen specimen exists)
    Pyruvate
    Renin
    Serotonin
    Tay-Sachs
    Vitamin A, B1, B6, C, E, or K
    Von Willebrand’s (unless previously frozen specimen exists)


    SAMPLES OF REQUISITIONS IN USE AT
    BETH ISRAEL DEACONESS MEDICAL CENTER

    1. Outpatient Laboratory Requisition (Generic)

    2. Inpatient blood test order sheet/ requisition

    3. Blood gas requisition and whole blood analytes

    4. Urine and fluids: Inpatient/ EW requisition

    5. HIV Diagnostics Consent and Requisition

    6. Additional Test (Add-On) Request
    REQUISITION #1
    Outpatient Laboratory Requisition

     

    Example:
    The patient is an outpatient, and has had a CBC with differential, prothrombin time, glucose, hepatitis B surface antigen, and hepatitis C antibody ordered by a house officer. The patient's care is being overseen by a staff physician.
    Notes:
    • All relevant ICD-9 codes for the visit have been recorded at the top of the requisition by the ordering MD
    • The specimen collector's ID code, as well as the date and time of specimen collection are listed.
    • The prothrombin time and glucose test require specific medical necessity justification with ICD-9 codes next to their order. If the ICD-9 chosen were not included in the Medicare list of codes supporting medical necessity, a Medicare patient must sign a waiver form acknowledging the lack of Medicare coverage for payment of the test.
    • The ordering MD has written in his name (if you are a staff physician sending specimens regularly to the BIDMC laboratories, and would like your requisitions to include your printed name, contact your laboratory account representative at 617-667-LABS).
    • An additional report has been requested for another caretaker.
    REQUISITION #2
    Inpatient blood test order sheet/ requisition


    Inpatient Blood Test Order Sheet/Requisition

    Example: The patient is an inpatient, and has had a CBC (without a differential), a potassium, BUN, creatinine, and uric acid ordered. The house officer has signed the requisition, which is also the order form.

    Notes:

    • Order only the tests you actually need. Note that the patient has a discrete order for potassium, rather than the entire collection of four electrolytes, and a discrete order for the BUN without the creatinine.
    • The specimen collector's ID code, as well as the date and time of specimen collection are listed.
    REQUISITION #3
    Blood gas requisition and whole blood analytes



    Blood gas requisition and whole blood analytes

    Example: The patient is an inpatient, and has had an arterial blood gas ordered.

    Notes:

    • The patient is an inpatient; therefore no ICD-9 code is required
    • The specimen collector's ID code, as well as the date and time of specimen collection are listed.
    • The sample data provided in the right hand column will be included in the lab results for your use in tracking the patient’s associated clinical conditions.
    • This form can also be used for outpatients; in such cases, an ICD-9 code proving medical necessity must be provided in the blank at the top of the form.

    Helpful hints for using the Blood Gas & Whole Blood requisition:

    1. All of the tests listed on this sheet can be run from a single heparinized syringe (<=1ml)
    2. Please do not "write in" any tests on this sheet.
    3. If you sending a blood gas(i.e. pH, pO2, pCO2), please tell us if it is arterial or venous.
    4. The remainder of the respiratory information is optional.
    5. Only fill in the patient temperature if you want us to report temperature corrected results.

    REQUISITION #4
    Urine and fluids: Inpatient/ EW requisition




    Urine and fluids: Inpatient/ EW requisition

    Example:
    The patient is an inpatient, and has had a urinalysis – dipstick plus sediment exam – ordered.

    Notes:

    • Please specify the mode of collection; this will be reported with the result.
    • The specimen collector's ID code, as well as the date and time of specimen collection are listed.





     

    REQUISITION #5
    HIV Diagnostics Consent and Requisition



    HIV Diagnostics Consent and Requisition

    Example: The patient is an outpatient, and has had the antibody test for HIV ordered.

    Notes:

    • All relevant ICD-9 codes for the visit have been recorded at the top of the requisition by the ordering MD.
    • The specimen collector's ID code, as well as the date and time of specimen collection are listed.
    • The requisition includes a consent, which must be signed by the patient and provider obtaining consent. Forms received without signed consent, or HIV serology written in on another requisition, will not be processed by the laboratory.
    • On outpatient requisitions, the name of the responsible physician must appear, even if the test has been ordered by a house-officer. The ordering house officer’s name appears in the blank "Ordering RN or MD".
    • An extra report can be mailed to another caretaker, by listing the name and address of the individual in the space provided.
    • HIV testing CANNOT be added on to an existing sample - please draw a new sample.

    Additional Test (Add-On) Request




    Additional Test (Add-On) Request



    Revised/Reviewed 7/23/2009

     

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