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The CPT® Code 84302 refers to the measurement of sodium levels from a sample other than urine, blood, plasma, or serum. Sodium is a crucial positively charged electrolyte that plays a vital role in various physiological functions within the body. It works in conjunction with other electrolytes, including potassium, chloride, and carbon dioxide (CO2), to help regulate fluid balance and maintain proper acid-base equilibrium. This mineral is essential for normal metabolic processes, fluid levels, and vascular pressure. The measurement of sodium levels is important for screening and monitoring conditions such as hypernatremia, which is characterized by elevated blood sodium levels, and hyponatremia, which indicates low blood sodium levels. Additionally, sodium levels may be assessed to identify electrolyte imbalances that can occur due to various factors, including the use of certain medications like diuretics, which can disrupt normal electrolyte balance. The sodium measurement is typically performed using ion-selective electrode (ISE) methodology, a precise technique that allows for accurate determination of sodium concentration in the specified sample type.
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The measurement of sodium levels using CPT® Code 84302 is indicated for various clinical scenarios, particularly when assessing electrolyte balance and metabolic health. The following conditions may warrant this procedure:
The procedure for measuring sodium levels using CPT® Code 84302 involves several key steps to ensure accurate results. The following procedural steps are outlined:
After the sodium level measurement using CPT® Code 84302, the following post-procedure considerations should be noted. The results should be communicated to the healthcare provider promptly to facilitate timely clinical decision-making. If abnormal sodium levels are detected, further evaluation and management may be necessary, which could include additional testing or adjustments to the patient's treatment plan. It is also important to monitor the patient for any symptoms related to sodium imbalances, as these may require immediate intervention. Documentation of the procedure and results should be completed in accordance with standard laboratory practices to ensure compliance and facilitate future reference.
| Short Descr | ASSAY OF SWEAT SODIUM | Medium Descr | ASSAY OF SODIUM OTHER SOURCE | Long Descr | Sodium; other source | 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 |
| 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. | Q4 | Service for ordering/referring physician qualifies as a service exemption |
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| 2013-01-01 | Changed | Medium Descriptor changed. |
| 2003-01-01 | Added | First appearance in code book in 2003. |
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