Cytomegaloviral (CMV) infections

Created Dec 2015
Reviewed Jul 2016

Query

Should a code to indicate the site of the infection (eg, bronchiolitis) be assigned in addition to B25.- Cytomegaloviral disease when there is no subterm for the site of the infection listed under CMV infection in the ICD-10-AM Alphabetic Index?

Response

Yes.

In the ICD-10-AM Alphabetic Index follow the lead term for the site of the infection where the site is documented (eg, bronchiolitis). Under the lead term look for a subterm (essential modifier) for CMV, if one is not present add an appropriate code from category B25.-.

Bronchiolitis (acute) (infective) (subacute) J21.9
….
- due to
- - chemicals (chronic) (gases, fumes or vapours) J68.4
- - external agent NEC J70.8
- - human metapneumovirus J21.1
- - radiation J70.0
- - respiratory syncytial virus J21.0
- - specified organism NEC J21.8

Infection, infected (opportunistic) (see also Infestation) B99

- cytomegalovirus, cytomegaloviral B25.9
- - congenital P35.1
- - maternal, maternal care for (suspected) damage to fetus O35.3
- - mononucleosis B27.1
- - resulting from HIV disease B20
- - specified NEC B25.8

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