Chapter I
Certain infectious and parasitic diseases
(A00-B99)

Other diseases caused by chlamydiae
(A70-A74)

A70 Chlamydia psittaci infection
Ornithosis
Parrot fever
Psittacosis

A71 Trachoma
Excludes: sequelae of trachoma ( B94.0 )
A71.0 Initial stage of trachoma
Trachoma dubium
A71.1 Active stage of trachoma
Granular conjunctivitis (trachomatous)
Trachomatous:
· follicular conjunctivitis
· pannus
A71.9 Trachoma, unspecified

A74 Other diseases caused by chlamydiae
Excludes: chlamydial pneumonia ( J16.0 )
neonatal chlamydial:
· conjunctivitis ( P39.1 )
· pneumonia ( P23.1 )
sexually transmitted chlamydial diseases ( A55-A56 )
A74.0+ Chlamydial conjunctivitis ( H13.1* )
Paratrachoma
A74.8 Other chlamydial diseases
Chlamydial peritonitis+ ( K67.0* )
A74.9 Chlamydial infection, unspecified
Chlamydiosis NOS