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The CPT® Code 84630 refers to the laboratory test for measuring zinc levels in the body, which can be performed on either blood or urine samples. Zinc is a vital mineral that plays a crucial role in various physiological functions, including growth and development. It is essential for maintaining a healthy immune system, wound healing, and protein synthesis. A deficiency in zinc can lead to significant health issues, such as growth retardation in children, delayed puberty, diarrhea, and an increased risk of infections due to compromised immune function. Factors that may contribute to decreased zinc levels include malnutrition, infections, inflammation, stress, pregnancy, and the use of oral contraceptives. Conversely, zinc levels may be elevated in situations such as prolonged fasting or excessive intake of zinc supplements. The testing process involves obtaining a blood sample through venipuncture, which is a separate reportable procedure, or collecting urine either through a 24-hour collection or a random sample. The analysis of whole blood is conducted using quantitative flame atomic absorption spectroscopy, while serum and urine samples are evaluated using quantitative inductively coupled plasma mass spectrometry, both of which are precise methods for determining zinc concentration.
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The zinc level test (CPT® Code 84630) is indicated for various clinical scenarios where assessment of zinc status is necessary. The following conditions may warrant this test:
The procedure for obtaining zinc levels involves several key steps, which are outlined below:
After the zinc level test is completed, the results are typically reviewed by a healthcare professional. Depending on the findings, further evaluation or intervention may be necessary, especially if zinc deficiency or excess is identified. Patients may be advised on dietary modifications or supplementation based on their zinc levels. It is important to consider that factors such as recent illness, stress, or dietary changes can influence zinc levels, and these should be taken into account when interpreting the results. Follow-up testing may be recommended to monitor changes in zinc status over time, particularly in individuals with ongoing risk factors for deficiency or excess.
| Short Descr | ASSAY OF ZINC | Medium Descr | ASSAY OF ZINC | Long Descr | Zinc | 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 |
| 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. | GA | Waiver of liability statement issued as required by payer policy, individual case | GY | Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit | GZ | Item or service expected to be denied as not reasonable and necessary | 77 | Repeat procedure by another physician or other qualified health care professional: it may be necessary to indicate that a basic procedure or service was repeated by another physician or other qualified health care professional subsequent to the original procedure or service. this circumstance may be reported by adding modifier 77 to the repeated procedure or service. note: this modifier should not be appended to an e/m service. | 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. | GW | Service not related to the hospice patient's terminal condition | 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. | 59 | Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25. | Q1 | Routine clinical service provided in a clinical research study that is in an approved clinical research study | XS | Separate structure, a service that is distinct because it was performed on a separate organ/structure |
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| 2013-01-01 | Changed | Medium Descriptor changed. |
| Pre-1990 | Added | Code added. |
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