Table 8.1 - Oesophagus, Duodenum, Stomach, Small Intestine, Pancreas, Colon, Rectum and Anus

% WPI

DESCRIPTION OF LEVEL OF IMPAIRMENT

0

Symptoms present but no anatomical loss or alteration

5

Symptoms and/or signs present AND there is anatomical loss or alteration BUT continuous treatment is not required AND weight and nutrition are maintained at a steady level

OR

Mild incontinence of gas or liquid stool

10

Objective signs of disease present AND at least ONE of the following:

• dietary restrictions needed for control
• drugs needed for control
• weight loss of up to 10% of desirable weight

15

Objective signs of disease present AND at least TWO of the following:

• dietary restrictions needed for control
• drugs needed for control
• weight loss of up to 10% of desirable weight

20

Partial faecal incontinence requiring continual treatment

OR

20

Objective signs of disease present AND ALL of the following:

• dietary restrictions needed for control
• drugs needed for control
• weight loss of up to 10% of desirable weight

25

Objective signs of disease present AND ONE of the following:

• dietary restrictions and drugs produce partial but incomplete control
• weight loss of 10 to 20% of desirable weight

30

Objective signs of disease present AND BOTH of the following:

• dietary restrictions and drugs produce partial but incomplete control
• weight loss of 10 to 20 percent of desirable weight

40

Objective signs of disease present with TWO of the following:

• disturbed bowel habit
• pain (periodic or continual)
• continual manifestations (for example, fever or anaemia)
• weight loss of 10 to 20 percent of desirable weight

45

Complete faecal incontinence

50

Objective signs of disease present with ALL of the following:

• disturbed bowel habit
• pain (periodic or continual)
• continual manifestations (for example, fever or anaemia)
• weight loss of 10 to 20 percent of desirable weight

55-

75

Objective signs of disease present and a combination of the following:

• severe persistent disturbance of bowel habit
• severe persistent pain
• constitutional manifestations
• weight loss of more than 20 percent of desirable weight
•   severe limitation of activity