Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
Sodium measurement on sweat is not offered.
Synonyms
Cl
Sodium, sweat
Cl-
cystic fibrosis
CF
Patient Preparation
Patient is well hydrated the day before and day of testing and dressed warmly at appointment.
Sample Type
Sweat
Amount to Collect
See preferred volume
Preferred Volume
At least 15 µL sweat, collected by Mission Bay lab personnel.
Remarks
By appointment only: call UCSF Mission Bay Chemistry Lab at 415-476-0183 from 0800-1530 hours, Monday-Friday.
Test Code
SWCL
Test Group
Chloride
Performing Lab
Mission Bay Chemistry
Preferred Volume
At least 15 µL sweat, collected by Mission Bay lab personnel.
Reference ranges adopted from: Farrell PM et al. Diagnosis of Cystic Fibrosis: Consensus Guidelines from the Cystic Fibrosis Foundation. The Journal of Pediatrics, volume 181, supplement, February 2017, Pages S4-S15. This reference range is a change from previous guidelines in which the reference limit for CF being unlikely was set at < 40 mmol/L for individuals more than 6 months of age.
Additional Information
Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
Reference ranges adopted from: Farrell PM et al. Diagnosis of Cystic Fibrosis: Consensus Guidelines from the Cystic Fibrosis Foundation. The Journal of Pediatrics, volume 181, supplement, February 2017, Pages S4-S15. This reference range is a change from previous guidelines in which the reference limit for CF being unlikely was set at < 40 mmol/L for individuals more than 6 months of age.
Synonyms
Cl
Sodium, sweat
Cl-
cystic fibrosis
CF
Reported
1-3 days
Additional Information
Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
Sodium measurement on sweat is not offered.
Synonyms
Cl
Sodium, sweat
Cl-
cystic fibrosis
CF
Collection
Patient Preparation
Patient is well hydrated the day before and day of testing and dressed warmly at appointment.
Sample Type
Sweat
Amount to Collect
See preferred volume
Preferred Volume
At least 15 µL sweat, collected by Mission Bay lab personnel.
Remarks
By appointment only: call UCSF Mission Bay Chemistry Lab at 415-476-0183 from 0800-1530 hours, Monday-Friday.
Processing
Test Code
SWCL
Test Group
Chloride
Performing Lab
Mission Bay Chemistry
Preferred Volume
At least 15 µL sweat, collected by Mission Bay lab personnel.
Reference ranges adopted from: Farrell PM et al. Diagnosis of Cystic Fibrosis: Consensus Guidelines from the Cystic Fibrosis Foundation. The Journal of Pediatrics, volume 181, supplement, February 2017, Pages S4-S15. This reference range is a change from previous guidelines in which the reference limit for CF being unlikely was set at < 40 mmol/L for individuals more than 6 months of age.
Additional Information
Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
Reference ranges adopted from: Farrell PM et al. Diagnosis of Cystic Fibrosis: Consensus Guidelines from the Cystic Fibrosis Foundation. The Journal of Pediatrics, volume 181, supplement, February 2017, Pages S4-S15. This reference range is a change from previous guidelines in which the reference limit for CF being unlikely was set at < 40 mmol/L for individuals more than 6 months of age.
Synonyms
Cl
Sodium, sweat
Cl-
cystic fibrosis
CF
Reported
1-3 days
Additional Information
Outpatient testing is done in the Gateway Medical Building, 6th Floor Pediatric Pulmonary Clinic, Station 6A. Patients should arrive prior to the scheduled time to allow for registration, and should bring a written request from the ordering physician. Requisitions may be faxed to (415) 476-4863 ahead of time. The test lasts about one hour, during which time the patient should remain near the laboratory to check upon the progress of the test.
The laboratory usually schedules one patient per day. Calls to schedule same-day testing are acceptable but depend on the lab staff availability. A scheduled appointment may be delayed if the laboratory has to provide urgent services to ICN or LDR patients prior to the time of the appointment. Such delays will be notified as soon as possible to the outpatient upon arrival or the inpatient's caregiver (physician or nurse). Sweat chlorides can be performed only between 8 a.m. to 1 p.m., Monday through Friday. When scheduling 1 p.m. appointments, please request unit to remind outpatients to be on time.
