Test ID DEXT Dermatopathology 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
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.
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: Process/Embed
Serial sections: Hematoxylin and Eosin Stain/Light Microscopy
Special Stains, 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 | Special Container |
---|---|---|---|
Tissue | Ambient |
Reference Values
Diagnosis and description of microscopic findings
Day(s) Performed
Monday through Friday
Report Available
2 to 5 daysPerforming 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 |