Home
HelpTest ID DEXT DermPath Consultation, Wet Tissue
Necessary Information
Biopsy site, physician's name, and clinical diagnosis are required.
Specimen Required
Supplies: Dermatopathology Media (T101)
Sources: Skin or oral mucosa
Container/Tube: Regular serum vials with 10% formalin (T101)
Specimen Volume: Entire specimen
Collection Instructions: For scalp biopsies when the differential diagnosis includes a scarring alopecia, 2 separate 4-mm punch biopsies are recommended (1 for vertical and 1 for horizontal sections). If a single scalp biopsy is received with the clinical diagnosis of a scarring alopecia, the specimen will be processed with horizontal sections.
Forms
If not ordering electronically, complete, print, and send a Pathology Test Request (T246) with the specimen.
Useful For
Histologic diagnosis and differential diagnosis of cutaneous diseases
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| LEV2P | Level 2 Gross and microscopic | No | No |
| LEV3P | Level 3 Gross and microscopic | No | No |
| LEV4P | Level 4 Gross and microscopic | No | No |
Testing Algorithm
When this test is ordered, 1 of the 3 reflex tests will be performed and charged. Appropriate additional stains and other ancillary testing may be performed to determine a diagnosis. These stains and tests will be charged separately.
See Pathology Consultation Ordering Algorithm in Special Instructions.
Special Instructions
Method Name
Formalin-fixed tissues are processed and embedded in paraffin; serial sections are stained with hematoxylin and eosin and examined by light microscopy. Special stains are obtained when indicated.
Reporting Name
Dermatopathology ConsultSpecimen Type
TissueSpecimen Minimum Volume
Size needed depends on diagnosis and size of lesion.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Tissue | Ambient | |
Reference Values
Diagnosis and description of microscopic findings
Day(s) and Time(s) Performed
Monday through Friday; Continuously
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
Level II Surg Path Gross and Micro Exam
88302 (if appropriate)
Level III Surg Path
88304 (if appropriate)
Level IV Surg Path
88305 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| DEXT | Dermatopathology Consult | 60570-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 71139 | Interpretation | In Process |
| 71140 | Participated in the Interpretation | No LOINC Needed |
| 71141 | Report electronically signed by | 19139-5 |
| 71142 | Addendum | 35265-8 |
| 71143 | Gross Description | 22634-0 |
| 71582 | Disclaimer | 62364-5 |
| 71854 | Case Number | 80398-1 |