Chapter XXII
Codes for special purposes
(U00-U85)

Provisional assignment of new diseases of uncertain etiology or emergency use
(U00-U49)

U04 Severe acute respiratory syndrome [SARS]

U04.9 Severe acute respiratory syndrome [SARS], unspecified

U06 Emergency use of U06

Note:

Codes U00-U49 are to be used by WHO for the provisional assignment of new diseases of uncertain etiology. In emergency situations codes are not always accessible in electronic systems. The specification of category U06 in the way it is done here will make sure this category and the subcategories are available in every electronic system at any time and that they can be used upon instruction by WHO, immediately.

U06.0 Emergency use of U06.0
U06.1 Emergency use of U06.1
U06.2 Emergency use of U06.2
U06.3 Emergency use of U06.3
U06.4 Emergency use of U06.4
U06.5 Emergency use of U06.5
U06.6 Emergency use of U06.6
U06.7 Emergency use of U06.7
U06.8 Emergency use of U06.8
U06.9 Zika virus disease

U07 Emergency use of U07

Note:

Codes U00-U49 are to be used by WHO for the provisional assignment of new diseases of uncertain etiology. In emergency situations codes are not always accessible in electronic systems. The specification of category U07 in the way it is done here will make sure this category and the subcategories are available in every electronic system at any time and that they can be used upon instruction by WHO, immediately.

U07.0 Vaping-related disorder
U07.1 COVID-19, virus identified COVID-19 NOS
Use this code when COVID-19 has been confirmed by laboratory testing irrespective of severity of clinical signs or symptoms. Use additional code, if desired, to identify pneumonia or other manifestations.
Excl.:
Coronavirus infection, unspecified site ( B34.2)
Coronavirus as the cause of diseases classified to other chapters ( B97.2)
Severe acute respiratory syndrome [SARS], unspecified( U04.9)
U07.2 COVID-19, virus not identified
Use this code when COVID-19 is diagnosed clinically or epidemiologically but laboratory testing is inconclusive or not available. Use additional code, if desired, to identify pneumonia or other manifestations
Excl.:
Coronavirus infection, unspecified site ( B34.2)
COVID-19:
  • confirmed by laboratory testing (U07.1)
  • special screening examination (Z11.5)
  • suspected but ruled out by negative laboratory results (Z03.8)
U07.3 Personal history of COVID-19
Note:

This optional code is used to record an earlier episode of COVID-19, confirmed or probable, that influences the person’s health status, and the person no longer suffers from COVID-19. This code should not be used for primary mortality tabulation.

U07.4 Post COVID-19 condition
Note:

This optional code serves to allow the establishment of a link with COVID-19. This code is not to be used in cases that still are presenting COVID-19.

U07.5 Multisystem inflammatory syndrome associated with COVID-19
Cytokine storm
Kawasaki-like syndrome
Paediatric Inflammatory Multisystem Syndrome (PIMS)
Multisystem Inflammatory Syndrome in Children (MIS-C)
Temporally associated with COVID-19
Excl.:
Mucocutaneous lymph node syndrome [Kawasaki] ( M30.3)
U07.6 Need for immunization against COVID-19
Note:

This code should not be used for international comparison or for primary mortality coding. This optional code is intended to be used when a person who may or may not be sick encounters health services for the specific purpose of receiving a COVID-19 vaccine.

Prophylactic COVID-19 vaccination
Excl.:
immunization not carried out ( Z28.-)
U07.7 COVID-19 vaccines causing adverse effects in therapeutic use
Note:

This code is to be used as an external cause code (i.e. as a subcategory under Y59 Other and unspecified vaccines and biological substances). In addition to this, a code from another chapter of the classification should be used indicating the nature of the adverse effect.

Correct administration of COVID-19 vaccine in prophylactic therapeutic use as the cause of any adverse effect.
U07.8 Emergency use of U07.8
U07.9 Emergency use of U07.9