Sign in →

Browse by Name

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #
 

GENERAL INFORMATION

CAP Accreditation

CLIA Certificate

AABB Accreditation

FDA Product Licensure

Laboratory Contacts

Laboratory Services Offered

Regional Lab Locations

Regional Lab Contacts

Courier Schedules

 

NURSE RESOURCES

Order of Draw

Specimen Labeling

The Right Swab for the Right Job

 

PATIENT INSTRUCTIONS

24 Hour Urine Collection

Clean Catch Urine Collection

Pinworm Collection

Semen Collection

Stool Collection

 

MISC FORMS

Transfusion Informed Consent

Microbiology Surveillance Culture

Physician request Autopsy

Family request Autopsy

Test Catalog Request

 

ALGORITHMS

Mayo Diagnostic Testing Algorithms

Syphilis Testing Algorithm

 

OUTREACH FORMS

General Lab Requisition

Microbiology Requisition

Gynecologic Requisition

Non-Gyn Requistition

Transfusion Requisition

Physician Verification

 

LINKS

Altru Health System

Mayo Medical Laboratories

ND Department of Health

MN Department of Health

Dak-Minn Blood Bank

Mayo Clinic Laboratories

Test Code PTP Porphyrins, Total, Plasma

Reporting Name

Porphyrins, Total, P

Useful For

Monitoring treatment of patients with porphyria cutanea tarda

Specimen Type

Plasma


Shipping Instructions


Ship specimen in amber vial to protect from light.



Necessary Information


Include a list of medications the patient is currently taking.



Specimen Required


Patient Preparation: Patient must not consume any alcohol for 24 hours before specimen collection.

Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Green top (sodium or lithium heparin)

Acceptable: Lavender top (EDTA)

Submission Container/Tube: Amber vial

Specimen Volume: 3 mL

Collection Instructions:

1. Centrifuge specimen and aliquot plasma into amber vial.

2. Send plasma frozen.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Frozen 14 days LIGHT PROTECTED

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

≤1.0 mcg/dL

Day(s) Performed

Monday through Friday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84311-Porphyrins, total

82542-Porphyrins, fractionation (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PTP Porphyrins, Total, P 2815-9

 

Result ID Test Result Name Result LOINC Value
8731 Porphyrins, Total, P 2815-9
34252 Reviewed By 18771-6
33869 Interpretation 59462-2

Method Name

PTP: Extraction and Scanning Spectrofluorometry

PFP: High-Performance Liquid Chromatography (HPLC)

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
PFP Porphyrins, Fractionation, P No No

Testing Algorithm

If total porphyrins are above 1.0 mcg/dL, then porphyrin fractionation will be performed at an additional charge.

 

The following algorithms are available:

-Porphyria (Acute) Testing Algorithm

-Porphyria (Cutaneous) Testing Algorithm

Report Available

2 to 4 days