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Coeliac Disease J019

Last amended 
28 June 2015

Current RMA Instruments:

Reasonable Hypothesis SOP
1 of 2011
Balance of Probabilities SOP
2 of 2011
Changes from Previous Instruments:

SOP Bulletin 148

ICD Coding:
  • ICD-9-CM Codes: 579.0
  • ICD-10-AM Codes: K90.0

Coeliac disease is a disease of the small bowel, in which sensitivity to dietary gluten leads to malabsorption, diarrhoea and other gastrointestinal and systemic symptoms.

Is specific diagnostic evidence required to apply the SOP?Yes.

Small bowel histology (from endoscopic biopsy) is required for diagnosis.

Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Coeliac crisis
  • Gluten sensitive enteropathy
  • Nontropical sprue
Conditions not covered by SOP
  • Tropical sprue, ICD-9 code 579.1
Unconfirmed diagnosis

If, after applying the above information, you are unable to confirm the diagnosis, you should then:

  1. seek medical officer advice about further investigation, or;
  2. generate a diagnostic report, or;
  3. re-encode the condition, if appropriate.

The following investigations may be useful in establishing the diagnosis.

  • Report from gastroenterologist
  • Report of small bowel biopsy