Test ID DEXT Dermatopathology Consultation, Wet Tissue
Ordering Guidance
This test is for a dermatopathology wet tissue consultation only. For a dermatologic consultation on paraffin embedded tissue and slides, order PATHC / Pathology Consultation.
Necessary Information
The following information is required:
1. All requisitions must be labeled with:
-Patient name, date of birth and medical record number
-Name and phone number of the referring pathologist or ordering physician
-Anatomic site and collection date
2. All specimens must be labeled with:
-Two patient identifiers (first and last name, date of birth or medical record number)
-Specimen type and anatomic site
3. A brief patient history is essential to achieve a consultation fully relevant to the ordering physician's needs.
4. Although a complete pathology report is not expected to be submitted with the specimen, a clinical diagnosis is required.
5. Clinical and/or dermoscopic imaging should also be included if available. Please submit either on CD with your request.
All requisition and supporting information must be submitted in English.
Specimen Required
Supplies: Dermatopathology Media (T101)
Sources: Skin or oral mucosa
Container/Tube: Regular serum vials with 10% formalin
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.
Additional Information: STAT requests are not accepted for this test.
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 at an additional charge. Appropriate additional stains and other ancillary testing may also be performed, at an additional charge, to determine a diagnosis.
For more information see Pathology Consultation Ordering Algorithm
Special Instructions
Method Name
Formalin-fixed tissues: Process/Embed
Serial sections: Hematoxylin and Eosin Stain/Light Microscopy
Reporting Name
Dermatopathology ConsultSpecimen Type
TissueSpecimen Minimum Volume
Size needed depends on diagnosis and size of lesion.
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Tissue | Ambient |
Reference Values
Diagnosis and description of microscopic findings
Day(s) Performed
Monday through Friday
Report Available
3 to 5 days: Cases requiring additional material or ancillary testing may require additional time.Performing Laboratory

CPT Code Information
88302 (if appropriate)
88304 (if appropriate)
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 | 33746-9 |
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 |