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Test Code 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.

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 Consult

Specimen Type

Tissue

Specimen Minimum Volume

Size needed depends on diagnosis and size of lesion.

Specimen Stability Information

Specimen Type Temperature Time
Tissue Ambient

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

NA

Clinical Information

Dermatopathology involves histologic examination of skin biopsy and oral mucosal specimens.

Reference Values

Diagnosis and description of microscopic findings

Day(s) and Time(s) Performed

Monday through Friday; Continuously

Analytic Time

2 days

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 59465-5
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

NY State Approved

Yes