|
MQSA Requirements |
CFR Part 900
MQSA 4-1-99 |
ACR Recommended Performance |
1999
MQCM |
| The facility shall make
special lights for film illumination, i.e., hot-lights, capable of producing
light levels greater than that provided by the view box, available to the
interpreting physicians. |
900.12 (b) (14) |
There are no MQSA requirements for
viewbox luminance or viewing conditions |
Pg. 290 |
| Viewboxes used for interpreting
mammograms and clinical quality review by the technologist should be capable
of producing a luminance of at least 3,000 candela per square meter (cd/m2). |
Pg. 288 |
| The illumination levels should be
50 lux, or preferably less. |
Pg. 287 |
| Visually inspect viewboxes for
uniformity of luminance and color of lighting. |
Pg. 287 |
| Facilities shall ensure that film masking
devices that can limit the illuminated area to a region equal to or smaller
than the exposed portion of the film are available to all interpreting
physicians interpreting for the facility. |
900.12 (b) (15) |
All mammograms and mammography test images must
be completely masked when being viewed, i.e., no light should come directly
from the viewbox surface to the eye of the observer. |
Pg. 146 |
| The facility shall establish and implement
adequate protocols for maintaining darkroom, screen, and view box
cleanliness. |
900.12 (e) (11) (i) |
Procedure: Viewboxes and Viewing Conditions. |
Pg. 208 |
| The facility shall document that all cleaning
procedures are performed at the frequencies specified in the protocols. |
900.12 (e) (11) (ii) |
This procedure should be carried out weekly. |
Pg. 208 |
