Chapter XXII - Codes for special purposes

Question 1

What type of chapter has Chapter XXII been classed as for the purpose of axis of classification?

Answer 1

An ‘other chapter

Question 2

What does ‘SARS’ stand for?

Answer 2

Severe acute respiratory syndrome

Question 3

When can the code U04.9 Severe acute respiratory syndrome [SARS], unspecified be used?

Answer 3

Only when the responsible consultant has made a clear clinical diagnosis of SARS in the medical record.

Question 4

What must be coded in addition to U04.9 (SARS)?

Answer 4

All treated manifestations of the condition.

Question 5

Which two codes from Chapter I must not be assigned in addition to U07.1 Confirmed COVID-19?

Answer 5

• B34.2 Coronavirus infection, unspecified site
• B97.2 Coronavirus as the cause of disease classified to toher chapters

U07.1 fully classifies the COVID-19 infection so the above codes should not be used to classify the covid infection alone.

Question 6

When should B97.2 Coronavirus as the cause of diseases classified to other chapters be assigned in cases of COVID-19?

Answer 6

B97.2 must be assigned in addition to any codes for conditions classified outside of Chapter XVIII that are due to COVID-19.

Question 7

How should symptom codes when documented as due to COVID-19 be assigned?

Answer 7

All symptoms due to COVID-19 should be coded and assigned following U07.1.

This is an exception to DChS.XVIII.1.

Question 8

How should asymptomatic COVID-19 be coded?

Answer 8

U07.1

Question 9

How should codes in categories U82-U85 be sequenced?

Answer 9

• NEVER in primary
• Only in a secondary position, directly following the code they enhance (a code for a bacterial infection classified elsewhere)