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FECAL FAT AND MUSCLE FIBER, STOOL

Test Code

700123X

Includes

MUSCLE FIBER, STOOL; FECAL FAT, QUAL.

Preferred Specimen(s)

(12281) MUSCLE FIBER, STOOL
ST
PATIENT PREPARATION: AVOID LAXATIVES OR BARIUM PROCEDURES
WITHIN 1 WEEK PRIOR TO COLLECTION

RANDOM STOOL SAMPLE (NO PRESERVATIVES OR MINERAL OIL)
(12270) FECAL FAT, QUAL.
ST
2 GRAMS OR 2 ML OF FRESHLY PASSED THEN FROZEN FECES

Minimum Volume

(12281) MUSCLE FIBER, STOOL
1.0 GM
(12270) FECAL FAT, QUAL.
1.0 GM

Transport Container

(12281) MUSCLE FIBER, STOOL
STERILE SCREW CAP CONTAINER
(12270) FECAL FAT, QUAL.
STERILE SCREW CAP CONTAINER

Transport Temperature

(12281) MUSCLE FIBER, STOOL
REFRIGERATED
(12270) FECAL FAT, QUAL.
FROZEN

Specimen Stability

(12281) MUSCLE FIBER, STOOL
ROOM TEMPERATURE: NOT PROVIDED
REFRIGERATED: 2 DAYS
-20 DEG. C: NOT PROVIDED
-70 DEG. C: NOT PROVIDED
(12270) FECAL FAT, QUAL.
FROZEN: 30 DAYS

Methodology

(12281) MUSCLE FIBER, STOOL
MICROSCOPY
(12270) FECAL FAT, QUAL.
MICROSCOPY

Performing Laboratory

Quest Diagnostics
3714 Northgate Blvd
Sacramento, CA 95834

Setup Time

(12281) MUSCLE FIBER, STOOL
1ST SHIFT
(12270) FECAL FAT, QUAL.
3RD SHIFT

Setup Days

(12281) MUSCLE FIBER, STOOL
MON - SAT
(12270) FECAL FAT, QUAL.
MON - SAT

Report Available

(12270) FECAL FAT, QUAL.
24 HOURS

Clinical Significance

(12281) MUSCLE FIBER, STOOL
THE PRESENCE OF MANY MUSCLE FIBERS MAY INDICATE POSSIBLE
STEATORRHEA OR A DIARRHEA WITH RAPID TRANSIT TIME.
(12270) FECAL FAT, QUAL.
RESULTS MAY INDICATE MALABSORPTION OR MALDIGESTION.
FALSE POSITIVE RESULTS CAN OCCUR DUE TO MINERAL OIL
OR CASTOR OIL PRESENT IN THE SPECIMEN. LARGE NUMBER
OF NEUTRAL FAT GLOBULES MAY INDICATE STEATORRHEA.

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.