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Presence of serum 2 3 7 8-TCDD (serum dioxin)

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Last amended 
1 June 2015

Diabetes mellitus - Presence of serum 2 3 7 8-TCDD (serum dioxin) Factor

Serum 2,3,7,8-TCDD is defined by the RMA as meaning "2,3,7,8-tetrachlorodibenzo-para-dioxin as measured from an appropriately derived blood sample".

Note: Testing is no longer required to measure serum dioxin levels after changes to these factors in the SOPs issued on 13 July 2011. The new factors only require inhaling, ingesting or having cutaneous contact with the chemical agent over specified time frames. There are now also clinical worsening factors available.

Requirements for RH SOP are now:

inhaling, ingesting or having cutaneous contact with a chemical agent contaminated by 2,3,7,8-tetrachlorodibenzo-para-dioxin (TCDD),

  • for a cumulative period of at least 500 hours,
  • within a consecutive period of ten years
  • before the clinical onset or clinical worsening of diabetes mellitus, and
  • where the first exposure occurred at least five years before the clinical onset of diabetes mellitus, and
  • where that exposure has ceased, the clinical onset or clinical worsening of diabetes mellitus occurred within 25 years of cessation.

Requirements for BOP SOP are now:

  • inhaling, ingesting or having cutaneous contact with a chemical agent contaminated by 2,3,7,8-tetrachlorodibenzo-para-dioxin (TCDD),
  • for a cumulative period of at least 1000 hours,
  • within a consecutive period of ten years
  • before the clinical onset or clinical worsening of diabetes mellitus, and
  • where the first exposure occurred at least five years before the clinical onset of diabetes mellitus, and
  • where that exposure has ceased, the clinical onset or clinical worsening of diabetes mellitus occurred within 25 years of cessation.

Note: The Rulebase has not been updated to reflect these changes as yet, so you may need to use the override or 'make' facility to record your decision if a new factor applies in the case you are assessing.

Last reviewed for CCPS 12 March 2008.

Preliminary questions [28280]

28281 there is some evidence that the presence of serum 2,3,7,8-TCDD may be a factor in the development of the condition under consideration.

28283  the veteran has established the causal connection between the presence of serum 2,3,7,8-TCDD and VEA service for the clinical onset of diabetes mellitus.

28284   the veteran has established the causal connection between the presence of serum 2,3,7,8-TCDD and operational service for the clinical onset of diabetes mellitus.

or

28285   the veteran has established the causal connection between the presence of serum 2,3,7,8-TCDD and eligible service for the clinical onset of diabetes mellitus.

Clinical onset and operational service [28284]

28287 the veteran had a serum 2,3,7,8-TCDD level of at least 10 ppt at the time of the clinical onset of the condition under consideration as a causal result of operational service.

28288 the serum 2,3,7,8-TCDD level of at least 10 ppt on operational service at the time of the clinical onset of the condition under consideration was due to the veteran's serious default, wilful act or serious breach of discipline.

Clinical onset and eligible service [28285]

28291 the veteran had a serum 2,3,7,8-TCDD level of at least 20 ppt at the time of the clinical onset of the condition under consideration as a causal result of eligible service.

28293 the serum 2,3,7,8-TCDD level of at least 20 ppt on eligible service at the time of the clinical onset of the condition under consideration was due to the veteran's serious default, wilful act or serious breach of discipline.