CPT® Code 89125

Official Description

Fat stain, feces, urine, or respiratory secretions

Common Language Description

A laboratory procedure identified by CPT® Code 89125 is utilized to detect fat molecules in various biological samples, specifically feces, urine, or respiratory secretions. This procedure is significant as it helps in diagnosing conditions associated with abnormal fat levels in the body. Under normal circumstances, a small quantity of dietary fat is present in feces; however, an increase in fecal fat can lead to symptoms such as diarrhea, steatorrhea—which is characterized by loose, fatty, and foul-smelling stools—abdominal pain, cramps, bloating, gas, and unintended weight loss. The presence of elevated fat levels in feces may indicate underlying issues such as abnormal bile production from the gallbladder or liver, insufficient production of digestive enzymes by the pancreas, or various digestive disorders including celiac disease, Crohn’s disease, cystic fibrosis, and pancreatitis. Additionally, malignancies can also contribute to this condition. In urine, fat may appear in the sediment, particularly following trauma, a condition known as lipiduria, and is also observed in patients suffering from nephrotic syndrome. In such cases, necrotic renal epithelial cells and macrophages may contain fat droplets within their cytoplasm, which can be visualized using a light microscope during urine sample examination. Furthermore, respiratory secretions may reveal fat molecules in patients diagnosed with fat embolism syndrome or those experiencing intestinal reflux. The procedure involves obtaining a sample of feces, urine, or respiratory secretions, which is then subjected to a staining process on a slide. The stained slide is subsequently examined under a light microscope to identify the presence of fat molecules, providing valuable diagnostic information regarding the patient's health status.

1. Indications

The fat stain procedure, coded as CPT® 89125, is indicated for the evaluation of various symptoms and conditions that may suggest abnormal fat metabolism or absorption. The following are the explicitly provided indications for performing this laboratory test:

Diarrhea - Frequent loose or watery stools that may indicate malabsorption issues.
Steatorrhea - Loose, fatty, foul-smelling feces that suggest excessive fat in the stool.
Abdominal Pain - Discomfort in the abdominal region that may be associated with digestive disorders.
Cramps - Painful contractions in the abdomen that can accompany gastrointestinal disturbances.
Bloating or Gas - Feelings of fullness or excessive gas production that may relate to fat malabsorption.
Weight Loss - Unintentional loss of weight that may be linked to underlying digestive issues.
Digestive Disorders - Conditions such as celiac disease, Crohn’s disease, and pancreatitis that can affect fat absorption.
Cystic Fibrosis - A genetic disorder that can lead to malabsorption of nutrients, including fats.
Malignancies - Certain cancers that may disrupt normal fat metabolism.
Lipiduria - The presence of fat in urine, often following trauma or in nephrotic syndrome.
Fat Embolism Syndrome - A condition where fat globules enter the bloodstream, potentially affecting respiratory secretions.

2. Procedure

The procedure for performing a fat stain involves several key steps that ensure accurate identification of fat molecules in the collected samples. The following procedural steps are outlined:

Sample Collection - A sample of feces, urine, or respiratory secretions is obtained. This collection is performed as a separately reportable procedure, ensuring that the sample is representative of the patient's condition.
Preparation of the Slide - A smear of the collected sample is prepared on a glass slide. This step is crucial as it allows for the visualization of fat molecules under a microscope.
Staining - The smear on the slide is stained using appropriate staining techniques that highlight the presence of fat molecules. This staining process is essential for differentiating fat from other components in the sample.
Microscopic Examination - The stained slide is examined under a light microscope. During this examination, the presence of fat molecules is assessed, providing diagnostic information regarding the patient's health.

3. Post-Procedure

After the fat stain procedure is completed, there are several considerations for post-procedure care and expected outcomes. The results of the fat stain examination will be interpreted by a qualified healthcare professional, who will assess the presence and quantity of fat molecules in the sample. Depending on the findings, further diagnostic testing or clinical evaluation may be warranted to address any underlying conditions. Patients may not require specific post-procedure care, but it is essential for healthcare providers to communicate the results effectively and discuss any necessary follow-up actions based on the findings. Additionally, the healthcare team should monitor the patient for any symptoms that may arise, particularly if the fat stain indicates potential malabsorption or other gastrointestinal issues.

Short Descr	SPECIMEN FAT STAIN
Medium Descr	FAT STAIN FECES URINE/RESPIR SECRETIONS
Long Descr	Fat stain, feces, urine, or respiratory secretions
Status Code	Statutory Exclusion (from MPFS, may be paid under other methodologies)
Global Days	XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC)	9 - Not Applicable
Multiple Procedures (51)	9 - Concept does not apply.
Bilateral Surgery (50)	9 - Concept does not apply.
Physician Supervisions	09 - Concept does not apply.
Assistant Surgeon (80, 82)	9 - Concept does not apply.
Co-Surgeons (62)	9 - Concept does not apply.
Team Surgery (66)	9 - Concept does not apply.
Diagnostic Imaging Family	99 - Concept Does Not Apply
CLIA Waived (QW)	No
APC Status Indicator	Conditionally packaged laboratory tests
Type of Service (TOS)	5 - Diagnostic Laboratory
Berenson-Eggers TOS (BETOS)	T1H - Lab tests - other (non-Medicare fee schedule)
MUE	2
CCS Clinical Classification	206 - Microscopic examination (bacterial smear, culture, toxicology)

26	Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number.
90	Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number.