Percentage of non-conforming samples |
Total number of non-conforming samples in the last 30 days/total number of samples received at the same period of 30 days × 100 |
This indicator measures the percentage of non-conforming samples in relation to the total of samples received at the same period. It is a quality indicator, linked to strategic and operational levels of the laboratory |
Preventive Standardize labels; use coolers with thermometer and description of material exit time from place of origin; promote continuous education about good collection, storage, packaging, and transport of samples
Corrective
Inform the place of origin and require clarifying or shipping of another sample; register occurrence and the actions taken in each situation |
10%-20% |
Percentage of errors in sample register |
Total number of errors in sample register in the last 30 days/total number of sample registers in the same period of 30 days × 100 |
This indicator measures the amount of errors in the register of samples in relation to the total number of registers made in the same period. It is a quality indicator, linked to strategic and operational levels of the laboratory |
Preventive Promote activities of continuous education about processes and subprocesses directly and indirectly related to this indicator
Corrective
Standardize and computerize request; inform about place of origin and ask for clarifying or shipping of a new sample; register the occurrence and the actions taken in each situation |
10%-15% |
Percentage of samples with the aspect of saliva |
Total number of samples with inadequate volume or aspect of saliva in the last 30 days/total number of samples with entrance in the same period of 30 days × 100 |
This indicator measures the percentage of samples with physical aspect not recommended in relation to the total of samples for the conduction of assays. It is a quality indicator linked to strategic and operational levels of the laboratory |
Preventive Adequately guide the patient in the collection of samples; promote activities of continuous education about the processes and subprocesses directly and indirectly related to this indicator
Corrective
Order a new sample |
10%-20% |
Percentages of contaminated samples |
Total number of contaminated samples in the last 30 days/total number of samples in the same period of 30 days × 100 |
This indicator measures the amount of contaminated samples in relation to the amount of samples that did not have signs of contamination in the same period. It is a quality indicator, linked to strategic and operational levels of the laboratory |
Preventive Promote activities of continuous education about the processes and subprocesses directly and indirectly related to this indicator
Corrective
Correct the routine flow of laboratory work; reorganize the system of sample transportation; use more energetic techniques of decontamination; discard reagents |
3%-5% |
Percentage of agreement of obtained results of internal control used in the techniques with their defined parameters |
Total number of internal control in line with their defined parameters used in the last 30 days/total number of internal controls used in the same period of 30 days × 100 |
This indicator measures the percentage of positive and negative controls used in the techniques that are in line with their parameters previously defined in relation to the total of used controls. It is a quality indicator, linked to strategic and operational levels of the laboratory |
Preventive Promote the plan of reading strains of MTBC and NTM as monthly control; use strains in each battery of assays of species identification and sensitivity tests; perform a monthly plan of streaking reference strains; promote activities of continuous education about the processes and subprocesses directly and indirectly related to this indicator
Corrective
Make use of new controls and discard controls with alterations |
≥ 95% |
Percentage of repeated tests |
Total number of repeated tests in the last 30 days/total number of tests carried out in the same period × 100 |
This indicator measures the amount of tests repeated because of a flaw in the technique or in the sample in relation to the total of performed tests. It is a quality and productivity indicator, linked to strategic, operational and managerial levels of the laboratory |
Preventive Stipulate the maximum number of samples to be analyzed at the same time; verify reagent validity; use new positive and negative controls; streak samples in newer culture media; promote activities of continuous education about processes and subprocesses directly and indirectly related to this indicator; define rate of inconclusive tests; offer a policy of mensuration of false-positive, false-negative and inconclusive results |
10%-15% |
Percentage of conformities in the filling of temperature forms |
Total number of filled fields in the last 30 days/total number of existing fields in the forms in the same period of 30 days × 100 |
This indicator measures the amount of notes taken in relation to the amount of notes that must be taken in temperature forms. It is a quality indicator, linked to strategic and operational levels of the laboratory |
Preventive Standardize the verification of temperature check with highest and lowest; correctly fill the temperature control form, and, when the temperature is out of the safety range, warn the quality manager so that all correct measures be taken (maintenance, disclosure of non-conformities, etc.); promote continuous education about the processes and subprocesses directly and indirectly linked to this indicator |
85% |
Total number of concordant slides 365 days/total number of reread slides in the same period of 365 days × 100 |
Percentages of conformities in proficiency tests This indicator measures the amount of concordant rereadings in relation to the total number of reread samples. It is an indicator of quality and productivity, linked to strategic, managerial, and operational levels of the laboratory |
Preventive Promote activities of continuous education about the processes and subprocesses directly and indirectly related to this indicator; perform correctly and adequately the techniques used in the assay, always following the guidance of existing procedures and instructions |
80%-90% |