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Test ID 4339 DermPath Consultation, Wet Tissue

Useful For

Histologic diagnosis and differential diagnosis of cutaneous diseases

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

DermPath Consultation, Wet Tissue

Specimen Type


Specimen Required

Sources: Skin or oral mucosa

Container/Tube: Regular serum vials with 10% formalin (Supply 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.

Additional Information: Biopsy site, physician's name, and clinical diagnosis are required.

Specimen Minimum Volume

Size needed depends on diagnosis and size of lesion.

Specimen Stability Information

Specimen Type Temperature Time
Tissue Ambient (preferred)

Reference Values

Diagnosis and description of microscopic findings

Day(s) and Time(s) Performed

Monday through Friday; Continuously

Performing Laboratory

Mayo Medical 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
4339 DermPath Consultation, Wet Tissue In Process


Result ID Test Result Name Result LOINC Value
18264 Accession Number 57723-9
18265 Referring Pathologist/Physician 46608-6
18266 Ref Path/Phys Address 74221-3
18267 Material: In Process
18268 Anatomic Site of Tissue: 39111-0
18269 Diagnostic Impression: 62365-2
18270 Comment: 48767-8
18271 Revision Description: In Process
18272 Signing Pathologist: 19139-5
18273 Special Procedures: 30954-2
18274 SP Signing Pathologist: 19139-5
18275 *Previous Report Follow* No LOINC Needed
18276 Addendum: 35265-8
19191 Addendum Comment: 22638-1
18277 Addendum Pathologist: 19139-5

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
50033 Level II Surg Path w/Gross,Micro Ex No No
50034 Level III Surg Path No No
88305 Level IV Surg Path 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.