Chapter XVIII
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
(R00-R99)

Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
(R83-R89)

Excludes: abnormal findings on:
· antenatal screening of mother ( O28.- )
· examination of:
  · blood, without diagnosis ( R70-R79 )
  · urine, without diagnosis ( R80-R82 )
diagnostic abnormal findings classified elsewhere - see Alphabetical Index
The following fourth-character subdivisions are for use with categories R83-R89:
.0 Abnormal level of enzymes
.1 Abnormal level of hormones
.2 Abnormal level of other drugs, medicaments and biological substances
.3 Abnormal level of substances chiefly nonmedicinal as to source
.4 Abnormal immunological findings
.5 Abnormal microbiological findings
Positive culture findings
.6 Abnormal cytological findings
Abnormal Papanicolaou smear
.7 Abnormal histological findings
.8 Other abnormal findings
Abnormal chromosomal findings
.9 Unspecified abnormal finding

R83 Abnormal findings in cerebrospinal fluid
[See before R83 for subdivisions ]

R84 Abnormal findings in specimens from respiratory organs and thorax
[See before R83 for subdivisions ]
Abnormal findings in:
· bronchial washings
· nasal secretions
· pleural fluid
· sputum
· throat scrapings
Excludes: blood-stained sputum ( R04.2 )

R85 Abnormal findings in specimens from digestive organs and abdominal cavity
[See before R83 for subdivisions ]
Abnormal findings in:
· peritoneal fluid
· saliva
Excludes: faecal abnormalities ( R19.5 )

R86 Abnormal findings in specimens from male genital organs
[See before R83 for subdivisions ]
Abnormal findings in:
· prostatic secretions
· semen, seminal fluid
Abnormal spermatozoa
Excludes: azoospermia ( N46 )
oligospermia ( N46 )

R87 Abnormal findings in specimens from female genital organs
[See before R83 for subdivisions]
Abnormal findings in secretions and smears from:
· cervix uteri
· vagina
· vulva
Excludes: carcinoma in situ ( D05-D07.3)
dysplasia of:
· cervix uteri ( N87.-)
· vagina ( N89.0-N89.3)
· vulva ( N90.0-N90.3)
# The following fifth-character codes are for use with cytological reports coding:
#R87.60 Atypical squamous cells [ASC]
#R87.61 Low-grade squamous intraepithelial lesion [LSIL]
#R87.62 High-grade squamous intraepithelial lesion [HSIL]
#R87.63 Atypical glandular cells [AGC]
#R87.68 Other abnormal cytologic findings in specimens from female genital organs
#R87.69 Abnormal cytologic finding in specimens from female genital organs, unspecified

R89 Abnormal findings in specimens from other organs, systems and tissues
[See before R83 for subdivisions ]
Abnormal findings in:
· nipple discharge
· synovial fluid
· wound secretions