Muscle Fiber, Stool

Test ID: 

703045

CPT code:

89160

Synonyms:

• Muscle Fiber, Stool
• Stool Meat Fibers
• Stool Muscle Fiber

Clinical Use:

Evaluate malabsorption syndromes, pancreatic exocrine dysfunction, or gastrocolic fistula.

Specimen Type:

Stool (random)

Requested Volume: 

3 g

Minimum Volume: 

1 g

Container Type: 

Plastic screw-cap vial

Patient Preparation: 

Patient is required to eat adequate amounts of red meat for 24 to 72 hours before testing. Specimens obtained with a warm saline enema or Fleet® Phospho-Soda® are acceptable. Specimens obtained with mineral oil, bismuth, or magnesium compounds are unsatisfactory. Barium procedures or laxatives should be avoided for one week prior to collection of the specimen.

Collection:

Do not contaminate outside of container; do not overfill container.

Storage Instructions:

Refrigerate at 2°C to 8°C. Do not freeze.

Rejection Criteria

Purgatives other than saline or Fleet®; specimen contaminated with urine; specimen obtained with mineral oil, bismuth, or magnesium compounds; specimen on outside of container