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Chloride is a negatively charged ion, classified as an electrolyte, which plays a crucial role in maintaining the body's fluid balance and acid-base equilibrium. It interacts with other electrolytes, including potassium, sodium (salt), and carbon dioxide (CO2), to ensure that bodily functions operate smoothly. The measurement of chloride levels in urine is significant for various clinical assessments. Specifically, this test can assist healthcare providers in identifying the underlying causes of hypokalemia, a condition characterized by low potassium levels in the blood. Additionally, it is instrumental in diagnosing renal tubular acidosis, a disorder that affects the kidneys' ability to properly acidify urine. The procedure involves collecting a urine sample and quantifying the chloride concentration, providing valuable insights into a patient's electrolyte status and kidney function.
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The chloride urine test is indicated for several clinical scenarios, particularly when there is a need to evaluate electrolyte imbalances or renal function. The following conditions may warrant this test:
The procedure for conducting a urine chloride test involves several key steps to ensure accurate measurement of chloride levels. First, a clean-catch urine sample is collected from the patient. This method minimizes contamination and provides a more reliable sample for analysis. Once the sample is obtained, it is sent to a laboratory where the chloride concentration is measured using specific analytical techniques, such as ion-selective electrodes or titration methods. The results are then compared against established reference ranges to determine if the chloride levels are within normal limits or indicative of an underlying condition.
After the urine chloride test is completed, there are generally no specific post-procedure care requirements for the patient, as the test is non-invasive and does not involve any significant risks. Patients may resume their normal activities immediately following the sample collection. However, healthcare providers may discuss the results with the patient during a follow-up appointment, where they will explain the implications of the chloride levels in relation to the patient's overall health and any necessary further evaluations or treatments.
| Short Descr | ASSAY OF URINE CHLORIDE | Medium Descr | CHLORIDE URINE | Long Descr | Chloride; urine | 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. | 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. | 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. | GV | Attending physician not employed or paid under arrangement by the patient's hospice provider | GW | Service not related to the hospice patient's terminal condition | 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 | PD | Diagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 days | Q4 | Service for ordering/referring physician qualifies as a service exemption |
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