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Malignant Neoplasm of the Small Intestine B041

Last amended 
26 June 2015
Current RMA Instruments:
Reasonable Hypothesis SOP
1 of 2015
Balance of Probabilities SOP
2 of 2015
Changes from Previous Instruments:

SOP Bulletin 179

ICD Coding:
  • ICD-9-CM Codes: 152.0, 152.9
  • ICD-10-AM Codes: C17

This is a primary malignant neoplasm affecting the small intestine lining (epithelium). It does not include neoplasms of the muscle or mesothelium of the small intestine, and it does not include lymphomas or carcinoid tumours. The small intestine comprises the duodenum, jejunum and ileum, but excludes the pylorus and the ileocaecal junction which are part of the stomach and the colon respectively.

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

This diagnosis is based on histopathology of a biopsy or excised lesion. The relevant medical specialist is a gastroenterologist, general surgeon or oncologist.

Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Malignant neoplasm of the duodenum
  • Malignant neoplasm of the jejunum
  • Malignant neoplasm of the ileum
Conditions excluded from SOP
  • Adenoma of the small intestine, ICD 9 code 230.7
  • Benign neoplasms or polyps
  • Carcinoid tumour
  • Hodgkin’s lymphoma
  • Malignant neoplasm of ileocaecal region/caecum ? colon, ICD 9 code 153.4
  • Malignant neoplasm of pylorus ? stomach, ICD 9 code 151
  • Non-Hodgkin’s lymphoma
  • Secondary neoplasms to the small intestine or metastases.
  • Soft tissue sarcoma
Unconfirmed diagnosis

If, after applying the above information, you are unable to confirm the diagnosis, you should then seek medical officer advice about further investigation.