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The CPT® Code 84203 refers to a laboratory test specifically designed to measure the levels of protoporphyrin in red blood cells (RBC). Protoporphyrin is a crucial biochemical molecule involved in the synthesis of heme, which is an essential component of hemoglobin in red blood cells. This test is particularly significant in diagnosing various conditions related to the heme biosynthesis pathway. Elevated levels of protoporphyrin can indicate several underlying health issues, including genetic disorders that affect heme production and exposure to toxic substances such as lead. One of the most prevalent causes of increased protoporphyrin levels in red blood cells is iron deficiency anemia, a condition where the body lacks sufficient iron to produce healthy red blood cells. Additionally, conditions such as erythropoietic protoporphyria (EPP) and certain porphyrias linked to heavy metals, solvents, and medications can also lead to elevated protoporphyrin levels. The test is particularly useful when total RBC porphyrins are elevated, as it helps differentiate between iron-deficiency anemia and other potential causes of increased porphyrin levels, thereby guiding appropriate clinical management and treatment strategies.
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The CPT® Code 84203 is indicated for use in the following scenarios:
The procedure for performing the test associated with CPT® Code 84203 involves several key steps:
After the procedure associated with CPT® Code 84203, there are generally no specific post-procedure care requirements for the patient, as the blood draw is a routine procedure. Patients may experience minor discomfort or bruising at the site of the venipuncture, which typically resolves quickly. The healthcare provider will review the test results with the patient, discussing any necessary follow-up actions or additional testing that may be required based on the findings. It is important for patients to report any unusual symptoms or concerns following the blood draw to their healthcare provider.
| Short Descr | TEST RBC PROTOPORPHYRIN | Medium Descr | PROTOPORPHYRIN RBC SCREEN | Long Descr | Protoporphyrin, RBC; screen | 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 |
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| Pre-1990 | Added | Code added. |
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