Recognized standard

5799 Second edition 1991-08-01

FDA recognition 12-138 · ISO · Radiology

Key facts

Recognition number 12-138
Designation 5799 Second edition 1991-08-01
Title Photography -- Direct-exposing medical and dental radiographic film/process systems -- Determination of ISO speed and ISO average gradient
Standards developer International Organization for Standardization
Specialty area Radiology
Date of entry Mar 31, 2006
Device classes Class 1
Scope (excerpt) This International Standard specifies methods for determining the ISO Speed and ISO average gradient of the film/process combinations used in medical and dental radiography other than mammography. Sensitometric procedures are descry bed for films exposed directly to X-rays. The purpose of this…

At a glance

  • None Product codes
  • 1–9 FDA guidance documents

Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.

About FDA-recognized consensus standards

The FDA recognizes voluntary consensus standards that manufacturers can cite in premarket submissions to show conformity with specific requirements.

Source: U.S. Food and Drug Administration (FDA), Recognized Consensus Standards database · Source date:

Browse all FDA-recognized consensus standards