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Stone Analysis (Kidney) *

SIM

12340 

CPT

82365 

Synonyms

Stone ; Calculi analysis; Urinary Calculi  

Specimen Type

Kidney Stone 

Container

Clean container

Collection Instructions

Stone must be submitted dry. Specimens should not be submitted in liquid, (formalin, urine, etc.). There will be a delay in analyzing and reporting specimens not received dry. 

Volume

N/A

Additional Information

Stone submitted to laboratory must be sent to Histology lab first, before sending to reference lab for analysis. This test evaluates stone composition, metabolic factors that affect stone formation; work up nephroliathiasis. 

Patient Preparation

None

Specimen Processing Instructions

Do not remove stone from original container in which it was submitted.

Transport Requirements

Room temperature

Specimen Stability

2 Weeks 

Rejection Criteria

Specimen submitted in formalin, blood or urine.

Reference Range

Percentage of interior and exterior layers

 

 

Test Includes

Color ,size and weight.  Ammonium acid urate ; calcium bilirubinate; calcium carbonate ; calcium hydrogen phosphate ; calcium oxalate dihyrate; calcium oxalate monohydrate; calcium phosphate; cellular material; cholesterol; core composition; cystine; drie 

Methodology

Optical microscopy 

 

 

LCA

120790 

Reviewed By

Claudia Tirpak 

Reviewed Date

1/24/2017 

 

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