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Section-R

TEST NAME

RA

See:  Latex RA

 

TEST NAME

Rabies Antibody Endpoint (Rabies Titer)*

MERCY TEST NAME

MISC GENERAL LAB

MERCY LAB CODE

CMIS

Comment:

REPORTING NAME: Rapid Fluorescent Focus Inhib Test

Specimen:

Draw blood in a plain, red-topped tube or a SST tube. Spin down and send 2 mL of serum refrigerated in a plastic screw capped vial.

Processing:

Send specimen Refrigerated (Frozen OK, Ambient OK). Mayo order code FRFIT

Days Performed:

Monday, Thursday (Maximum lab time 3 weeks)

Test Performed:   

Testing performed by: RFFIT/K-State Rabies Laboratory
                                Manhattan/K-State Innovation Center
                                2005 Research Park Circle
                                Manhattan, KS 66502

Reference value:

Included with report

Method:

Serum Neutralization Fluorescent Antibody

CPT Code: 

86382

 

TEST NAME

RAST

See:  Allergen Multiple Screen*
         Allergen Single*

 

TEST NAME

RBC SPINAL FLUID (CSF)

See:  Cell Count CSF

 

TEST NAME

RED CELL COUNT

See:    CBC
          CBC/Manual Diff
          Cell Count Body Fluid  
          Cell Count CSF

 

TEST NAME

RED CELL FRAGILITY*

MERCY TEST NAME

MISC GENERAL LAB

MERCY LAB CODE

CMIS

Comment:

Test can only be drawn Monday-Thursday. Enter test name on comment line.

Specimen:

5.0 ml EDTA whole blood from purple top tube.  Refrigerate immediately after collection. Draw 5 ml normal patient control from a normal unrelated person at the same time. Indicate sex of the person drawn for the control on the tube label.

Cause for rejection: Specimens CANNOT BE FROZEN.
Processing:

Label control vial clearly,” NORMAL CONTROL" on the outer most label. Sample must arrive at Mayo within 72 hours of collection.  Send refrigerated to Mayo. Mayo # 9064 OSMOTIC FRAGILITY, ERYTHROCYTES.

Performed:    2 days.  Test set up Monday through Friday.
Reference value: Included with test results
Method: Osmotic Lysis
CPT Code:  85557

 

TEST NAME

RED CELL INDICES

See:  CBC

 

TEST NAME

RED CELL TAG STUDY

Contact Nuclear Medicine in Radiology.

 

POWERCHART NAME

REDUCING SUBSTANCE FECES

MERCY TEST NAME

REDUCG SUBS FECES 

MERCY LAB CODE

RS

Includes:   pH feces and clinitest testing.
Specimen: 

Fresh stool specimen (2-5 ML minimum).  Deliver specimen to Lab within 4 hours of collection. Refrigerate the specimen if testing is delayed after collection.

Performed:  Within 8 hours of receipt.
Reference value: Fecal pH: 7.0 - 7.5
Clinitest: negative to trace
Method: Copper reduction (Benedicts)  
CPT Code: 81002

 

TEST NAME

REDUCING SUBSTANCES URINE

See:  Urine Dipstick  
(Indicate Reducing Substances under comment field)

 

POWERCHART NAME

RENAL FUNCTION PANEL

MERCY TEST NAME

RENAL FUNCTION PANEL

MERCY LAB CODE

RPNL

Includes:

Albumin       Anion Gap          BUN            Bun/Creatinine Ratio
Calcium        CO2                 Chloride        Creatinine 
Glucose       Phosphorus        Potassium     Sodium  

Specimen: 1 ml lithium heparin plasma from a PST tube.  Refrigerated.  Stable 8 hours at room temperature, 48 hours refrigerated.  Freeze if >48 hours.  Keep tube closed.
Performed:    Within 8 hours of receipt.  Available STAT.
Normal Values: See individual test entry.
Method: See individual test entry.
CPT Code: 80069

 

TEST NAME

RENAL PANEL

See: Renal Function Panel  

 

POWERCHART NAME

RENIN LEVEL

MERCY TEST NAME

RENIN ACTIVITY*

MERCY LAB CODE

RNN

Comment: 

There can be 2 types of specimens drawn. Please check orders carefully as there are different requirements for each specimen type.
Non-venous specimens:  Schedule with Radiology and indicate in the comment field if specimen is to be other than venous collection. Consult Lab for patient preparation. 
Venous specimens:  Enter in comment field:  venous specimen. Consult lab for patient preparation.

Specimen:

Non-venous:  Lab is to draw in conjunction with radiology procedure.  Need 2 ml plasma from pre-chilled purple top tubes. Draw blood with chilled syringe, from a patient in a seated position, place in chilled tube, mix immediately and place in an ice water bath until thoroughly chilled.
Venous:   Need 2 ml plasma from pre-chilled purple top tubes. Draw with a vacutainer from patient in seated position. 
Mix immediately and place in an ice water bath until thoroughly chilled.

Processing:

Centrifuge in refrigerated centrifuge. Separate immediately and freeze. Indicate specimen source on specimen tube and on order form. Send frozen to Mayo.  Mayo order cdoe PRA.. 

Mercy Lab Processing Note:  Due to volumes showing that we are now only using a single peripheral collection, the source has been hidden on the report and no longer needs to be resulted.  However, if a patient should require collections during a procedure that are non-venous,  the result of HIDE will need to be changed to the specific source of collection.

Performed:  2-5 days.  Test set up Monday through Friday ;1 p.m.
Reference value:  Included with test results 
Method:  Radioimmunoassay (RIA)
CPT Code: 84244

 

POWERCHART NAME

RESPIRATORY CULTURE + SMEAR DIRECT OTHER

MERCY TEST NAME

RESP UP CLT/GS

MERCY LAB CODE

RESP

Order:

Specify site when ordering.

Specimen:

Nasopharyngeal, Nose or Sputum

  • Nasopharyngeal: Use a Mini-Tip Culturette to collect.Insert swab gently through the nose to the posterior nasopharynx.Gently rotate the swab.After several seconds, gently withdraw the swab.Insert the swab back into the Culturette tube.
  • Nose: Submit specimen on a swab(s) in a double Culturette.
  • Sputum: 2 ml minimum. Submit in a sterile plastic container with a tight-fitting lid. The specimen of choice is an expectorant obtained after a deep cough, preferably early in the morning. The patient should avoid contaminating the specimen with saliva. 
  • Sinus & Sinus meatus: Collected by ENT physician, using techniques that protect against contamination with colonizing flora of the nose.

THROAT specimens are not an acceptable specimen for a Respiratory culture . If a throat specimen is collected, please contact the microbiology lab for other order options.

Comments:

  • Gram stain is done to assess sputum quality using the following criteria:
    • >25 epithelial cells/low power field: The specimen is UNACCEPTABLE for culture due to the large number of squamous epithelial cells present. This is indicative of saliva.The specimen must be recollected for culture. Nursing personnel will be notified by the laboratory.
    • 11-25 epithelial cells/low power field:The specimen is probably a mixture of lower respiratory secretions and saliva. The culture will be done, but results may be unreliable.
    • 0-10 epithelial cells/low power field: This is indicative of a good specimen. Culture will be processed.
  • Sinus Cultures are held for 7 days and all bacterial growth is identified.  Susceptibility testing is done when possible.
  • The gram stain report will also indicate predominance of a bacterial morphology, if present, and the presence and relative number of WBC's.
     
  • Susceptibility testing will be routinely performed on significant isolates.

RL Client Comments:

  • Mark RESPIRATORY UPPER CULTURE/GRAM STAIN on order form.
    Write collection site on SOURCE line.
  • Refrigerate sputum specimens if not delivered to the lab promptly.
  • Culturettes (Nose and Nasopharyngeal) can be sent at room temperature.

Method:

Standard culture techniques

Reference value:

Normal flora of the upper respiratory tract

Performed:

Gram stain: Within 1 day
Preliminary report: 1 day
Final report: 2 days

CPT Code:

87205 Gram Stain

87070 Resp Up Clt

 

TEST NAME

RESPIRATORY SYNCYTIAL VIRUS ANTIGEN (RSV)

See:  RSV Antigen

 

 

POWERCHART NAME

RETICULOCYTE COUNT (% AND #)

MERCY TEST NAME

RETICULOCYTE CNT

MERCY LAB CODE

RETIC

Specimen: 

1 ml whole blood from purple top tube or capillary specimen. Specimen stable 72 hours when refrigerated.

Performed:  Within 8 hours of receipt.  Available stat.
Reference value:

Retic %:  0.54 – 2.59
Retic Absolute:  0.019 – 0.110 m/mcl

Method:  New Methylene Blue/Coulter LH 750
CPT Code: 85045

 

TEST NAME

RH IMMUNE GLOBULIN LOT#

See:  RHIG Lot#

 

TEST NAME

RH IMMUNE GLOBULIN WORKUP

See:  RHIG Workup

 

TEST NAME

RH TYPE

See:  ABO Group/Rh Type

 

TEST NAME

RHEUMATOID ARTHRITIS FACTOR

See:  Latex RA

 

POWERCHART NAME

RHIG ELIGIBILITY STUDIES

MERCY TEST NAME

RHIG ADM TESTS

MERCY LAB CODE

 RHEL

Comment: 

Ordered by Lab personnel only. Will be ordered by Lab when RH IMMUNE GLOBULIN WORKUP indicates eligibility for RH Immune Globulin.  

Includes: ABO/RH, Antibody Screen, and Fetal/Maternal Screen on the mother.
Specimen:   One 6 ml Pink top tube.
Cause for rejection: Specimens collected prior to delivery are not satisfactory for the Fetal/Maternal Screen.
Performed: Within 8 hours of receipt.
Method: Serological
CPT Code:

86900 ABO+
86901 RH+
86850 Antibody Sc
85461 Fetal/Mat Screen+

 

TEST NAME

RHIG EVALUATION

See:  RHIG Administration Tests

 

POWERCHART NAME

RHIG LOT NUMBER

MERCY TEST NAME

RHIG LOT #

MERCY LAB CODE

RHG

Comment:  Please call the Lab when order is placed. 

NOTE:
If the mother's type is unknown, an ABO Group/Rh Type should be ordered prior to ordering RHIG. Order in the following conditions on Rh negative mothers: Per physician's order when the RHIG injection only is ordered prenatally or following miscarriage, amniocentesis, or after any event which may allow fetal cells to enter the mother's circulation. If the physician also orders an antibody screen, order Antibody Screen.
Specimen:  None necessary
Performed:  Within 8 hours of receipt.
CPT Code: NA

 

POWERCHART NAME

RHIG STUDIES

MERCY TEST NAME

RHIG WORKUP

MERCY LAB CODE

RHGW

Comment: Order on the mother after delivery.  A Cord Blood Routine must be ordered on the neonate.
Includes: 

ABO/RH and  Direct Coomb's (DAT) results for Cord Blood Routine on the neonate.
If mother is eligible for Rh immune globulin injection, Lab will order RHIG Evaluation.

Specimen: None.
Performed: Within 8 hours of receipt.
Method:  Decisional to establish eligibility of mother to receive RHIG.
CPT Code: NA

 

TEST NAME

RHOGAM

See: RHIG Lot#   (For the Rh Immune Globulin injection only.)


TEST NAME

RIBA HCV*

See: HEPATITIS C RNA (QUANT)


POWERCHART NAME

ROTAVIRUS ANTIGEN FECES

MERCY TEST NAME

ROTAVIRUS FECES

MERCY LAB CODE

RTAV

Specimen:

Minimum of 1 gm of a random stool specimen submitted in a clean container with a tight-fitting lid. Deliver to the laboratory immediately after collection.

RL Client Comments:

  • Mark ROTAVIRUS on the order form.
  • Refrigerate specimen if unable to deliver to the lab immediately.
  • Freeze specimen if specimen will not be delivered and tested within 72 hours of collection. Specimen MUST remain frozen until testing. NOTE: There may be a loss of sensitivity of the test procedure when frozen specimens are used. Do not freeze and thaw specimens repeatedly.

Performed:

Daily. Available STAT.

Reference value:

Negative for Rotavirus

Method:

EIA

CPT Code:

87425

  

POWERCHART NAME

RPR - NO LONGER PERFORMED AT MERCY SEE SYPHL

See:  SYPHL

 

POWERCHART NAME

RSV ANTIGEN

MERCY TEST NAME

RSV DIR ATGN

MERCY LAB CODE

RSVS

Specimen: 

0.5 ml minimum of a nasopharyngeal aspirate. 

Collect using a suction catheter through the nose into the nasopharynx.  Use a #6 for children.  After suction is applied, the secretions are collected into a trap by aspirating sterile saline through the catheter.  Submit in the collection syringe or in a sterile plastic container with a tight-fitting lid.

Comment:

  • Test is very specimen dependent.  False negatives may be reported if the specimen is inadequate or poorly collected.
  • If Pertussis by PCR is also ordered, collect the Pertussis PCR swabs first.
  • Although testing is available whenever a diagnosis of RSV is suspected, testing for RSV is not recommended outside of the respiratory virus season or in the absence of an outbreak due to low specificity of the test.

RL Client Comments:

  • Mark RSV ANTIGEN on order form.
  • Refrigerate specimen until delivery to Mercy lab. Send refrigerated.

Processing:

Deliver to lab immediately. Specimens are stable 24 hours at 2 - 8 degrees C.

Performed:

Daily.  Available stat.

Reference value:

Negative for Respiratory Syncytial Virus

Method:

EIA

CPT Code:

87807

 

POWERCHART NAME

RUBELLA ANTIBODY IgG

MERCY TEST NAME

RUBELLA IMM

MERCY LAB CODE

RBLA

Comment:   Test determines immune status only.  Included in a Prenatal Profile.
Specimen:   0.5 ml serum from a SST tube.  Stable 48 hours then freeze specimen.
Cause for rejection: Grossly hemolyzed or icteric serum. Cord blood, neonatal, plasma, cadaver or body fluid specimens other than serum. 
Processing: If Prenatal Profile – Rubella , Syphilis, HIV, and HBSA- freeze all tests in one aliquot tube.
Performed: Tuesday and Thursday 0800 cutoff
Method:   ELISA Microwell format
CPT Code:  86762

 

POWERCHART NAME

RUBEOLA ANTIBODY IgG (MEASLES)

MERCY TEST NAME

RUBEOLA AB IgG

MERCY LAB CODE

MMEAS

Comment: Testing performed at Mercy lab if for post-immunization status only.
Specimen: 1.0 ml serum from a SST tube.
Cause for rejection: Grossly hemolyzed or lipemic serum.
Processing:  Send specimen to Mercy lab FROZEN.
Inhouse Use Only:  Test can be added on to a refrigerated sample within 48 hours of drawing.
Performed:  Thursdays, 0800 cutoff
Method: Enzyme Immunoassay
CPT Code: 86765
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