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Atomic absorption spectroscopy (AAS) is a laboratory technique utilized to measure the concentration of specific metals and metalloids present in various body fluids and tissues. This method operates on the principle of light absorption, where optical radiation is used to detect free atoms in their gaseous state. By quantifying the amount of light absorbed by these atoms, AAS provides precise measurements of the elements being analyzed. This technique is particularly valuable in clinical settings for assessing exposure to potentially toxic chemical compounds, which can have significant implications for patient health. The types of samples that can be analyzed using atomic absorption spectroscopy include whole blood, plasma, urine, saliva, semen, as well as various tissues such as brain, liver, and muscle. Each of these samples can provide critical information regarding the presence and concentration of harmful substances, aiding in diagnosis and treatment planning.
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Atomic absorption spectroscopy is indicated for the assessment of metal and metalloid concentrations in various biological samples. The following conditions and situations may warrant the use of this laboratory test:
The procedure for atomic absorption spectroscopy involves several key steps to ensure accurate measurement of analytes. Each step is critical to the integrity of the test results.
Post-procedure care for atomic absorption spectroscopy primarily involves the handling and interpretation of the results. Once the analysis is complete, the laboratory will generate a report detailing the concentrations of the metals and metalloids tested. It is essential for healthcare providers to review these results in the context of the patient's clinical history and symptoms. If elevated levels of toxic substances are detected, appropriate follow-up actions may include further diagnostic testing, treatment options such as chelation therapy, or referrals to specialists for comprehensive management. Additionally, proper disposal of biological samples and adherence to safety protocols is crucial to ensure compliance with laboratory regulations and to maintain a safe working environment.
| Short Descr | ATOMIC ABSORPTION | Medium Descr | ATOMIC ABSRPJ SPECTROSCOPY EA ANALYTE | Long Descr | Atomic absorption spectroscopy, each analyte | 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 | 233 - Laboratory - Chemistry and Hematology |
| 91 | Repeat clinical diagnostic laboratory test: in the course of treatment of the patient, it may be necessary to repeat the same laboratory test on the same day to obtain subsequent (multiple) test results. under these circumstances, the laboratory test performed can be identified by its usual procedure number and the addition of modifier 91. note: this modifier may not be used when tests are rerun to confirm initial results; due to testing problems with specimens or equipment; or for any other reason when a normal, one-time, reportable result is all that is required. this modifier may not be used when other code(s) describe a series of test results (eg, glucose tolerance tests, evocative/suppression testing). this modifier may only be used for laboratory test(s) performed more than once on the same day on the same patient. | 76 | Repeat procedure or service by same physician or other qualified health care professional: it may be necessary to indicate that a procedure or service was repeated by the same physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 76 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. |
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| 1993-01-01 | Added | First appearance in code book in 1993. |
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