CPT® Code 84375

Common Language Description

The CPT® Code 84375 refers to the laboratory procedure for analyzing sugars through chromatographic techniques, specifically thin layer chromatography (TLC) or paper chromatography. Sugars, which can be categorized as simple or complex molecules, play a crucial role in various biological processes. Simple sugars, known as monosaccharides, include compounds like ribose and glucose, while complex sugars, or oligosaccharides and polysaccharides, consist of multiple monosaccharide units linked together by glycosidic bonds. The chromatographic methods employed in this procedure are essential for separating and identifying these sugar molecules within a mixture. Thin layer chromatography utilizes a thin stationary phase, which is supported by an inert backing, allowing for the effective separation of components based on their movement across the surface. As the mixture is applied to the stationary phase, individual sugar compounds migrate and appear as distinct spots, vertically separated, facilitating their identification. Paper chromatography, another method under this code, operates on similar principles and is recognized for its simplicity and effectiveness. It requires only small sample sizes, making it particularly advantageous for testing and diagnostic purposes. This method is also commonly utilized to detect the presence of substances such as alcohol or various chemicals in blood samples, highlighting its versatility in laboratory settings.

1. Indications

The procedure associated with CPT® Code 84375 is indicated for the analysis of sugar molecules in various clinical and diagnostic contexts. The following conditions and scenarios may warrant the use of this chromatographic technique:

Detection of Monosaccharides This procedure is utilized to identify simple sugars, such as glucose and ribose, which are critical in metabolic processes.
Analysis of Complex Sugars It is also indicated for the examination of oligosaccharides and polysaccharides, which are essential for understanding carbohydrate metabolism and related disorders.
Testing for Alcohol Presence Paper chromatography is frequently employed to detect alcohol in blood samples, aiding in toxicology assessments.
Chemical Analysis This procedure can be used to identify various chemicals in biological samples, contributing to broader diagnostic evaluations.

2. Procedure

The procedure for CPT® Code 84375 involves specific steps to effectively separate and analyze sugar molecules using chromatographic techniques. The following procedural steps outline the process:

Sample Preparation The initial step involves preparing the sample, which may include blood or other biological fluids. The sample is typically treated to extract the sugars present, ensuring that they are in a suitable form for analysis.
Application to Chromatographic Medium Once prepared, the sample is applied to the chromatographic medium. In thin layer chromatography, this medium consists of a thin layer of adsorbent material spread on a flat surface, while paper chromatography uses specially treated paper as the stationary phase.
Development of Chromatogram The chromatographic medium is then placed in a solvent system that facilitates the movement of the sugar molecules. As the solvent ascends the medium, the sugars separate based on their affinity for the stationary phase versus the mobile phase, resulting in distinct spots for each sugar component.
Visualization and Analysis After the development of the chromatogram, the individual spots representing different sugars are visualized, often using specific staining techniques. The positions of these spots are measured and compared to known standards to identify the sugars present in the sample.

3. Post-Procedure

Post-procedure care for CPT® Code 84375 primarily involves the interpretation of the chromatographic results. Once the analysis is complete, healthcare professionals must review the chromatogram to identify the presence and concentration of various sugars. This information can be critical for diagnosing metabolic disorders, assessing nutritional status, or evaluating potential toxic exposures. Additionally, any necessary follow-up testing or interventions based on the results should be determined. It is also important to ensure that all laboratory equipment is properly cleaned and maintained after the procedure to uphold quality standards for future analyses.

Date	Action	Notes
2011-01-01	Changed	Short description changed.
Pre-1990	Added	Code added.

Date

Action

Notes

2011-01-01

Changed

Short description changed.

Pre-1990

Added

Code added.

Short Descr	CHROMATOGRAM ASSAY SUGARS
Medium Descr	SUGARS CHROMATOGRAPHIC TLC/PAPER CHROMATOGRAPHY
Long Descr	Sugars, chromatographic, TLC or paper chromatography
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	1
CCS Clinical Classification	233 - Laboratory - Chemistry and Hematology

CPT® Code 84375

Official Description

Common Language Description

1. Indications

2. Procedure

3. Post-Procedure

Code Data Insights

Modifier Assist

Chapter & Section Hierarchy

Code History