| R82991 | Hypocitraturia |
| R82992 | Hyperoxaluria |
| R82993 | Hyperuricosuria |
| R82994 | Hypercalciuria |
| R82998 | Other abnormal findings in urine |
| R83 | Abnormal findings in cerebrospinal fluid |
| R830 | Abnormal level of enzymes in cerebrospinal fluid |
| R831 | Abnormal level of hormones in cerebrospinal fluid |
| R832 | Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid |
| R833 | Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid |
| R834 | Abnormal immunological findings in cerebrospinal fluid |
| R835 | Abnormal microbiological findings in cerebrospinal fluid |
| R836 | Abnormal cytological findings in cerebrospinal fluid |
| R838 | Other abnormal findings in cerebrospinal fluid |
| R839 | Unspecified abnormal finding in cerebrospinal fluid |
| R84 | Abnormal findings in specimens from respiratory organs and thorax |
| R840 | Abnormal level of enzymes in specimens from respiratory organs and thorax |
| R841 | Abnormal level of hormones in specimens from respiratory organs and thorax |
| R842 | Abn lev drug/meds/biol subst in specimens from resp org/thrx Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax |
| R843 | Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax |
| R844 | Abnormal immunological findings in specimens from respiratory organs and thorax |
| R845 | Abnormal microbiological findings in specimens from respiratory organs and thorax |
| R846 | Abnormal cytological findings in specimens from respiratory organs and thorax |
| R847 | Abnormal histological findings in specimens from respiratory organs and thorax |
| R848 | Other abnormal findings in specimens from respiratory organs and thorax |
| R849 | Unspecified abnormal finding in specimens from respiratory organs and thorax |
| R85 | Abnormal findings in specimens from digestive organs and abdominal cavity |
| R850 | Abnormal level of enzymes in specimens from digestive organs and abdominal cavity |
| R851 | Abnormal level of hormones in specimens from digestive organs and abdominal cavity |
| R852 | Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavity |
| R853 | Abn lev substnc nonmed source in specmn fr dgstv org/abd cav Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavity |
| R854 | Abnormal immunolog findings in specmn from dgstv org/abd cav Abnormal immunological findings in specimens from digestive organs and abdominal cavity |
| R855 | Abnormal microbiological findings in specimens from digestive organs and abdominal cavity |
| R856 | Abnormal cytological findings in specimens from digestive organs and abdominal cavity |
| R8561 | Abnormal cytologic smear of anus |
| R85610 | Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US) |
| R85611 | Atyp squam cell not excl hi grd intrepith lesn cyto smr anus Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H) |
| R85612 | Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL) |
| R85613 | High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL) |
| R85614 | Cytologic evidence of malignancy on smear of anus |
| R85615 | Unsatisfactory cytologic smear of anus |
| R85616 | Satisfactory anal smear but lacking transformation zone |
| R85618 | Other abnormal cytological findings on specimens from anus |
| R85619 | Unspecified abnormal cytological findings in specimens from anus |
| R8569 | Abnormal cytological findings in specimens from other digestive organs and abdominal cavity |
| R857 | Abnormal histological findings in specimens from digestive organs and abdominal cavity |
| R858 | Other abnormal findings in specimens from digestive organs and abdominal cavity |
| R8581 | Anal high risk human papillomavirus (HPV) DNA test positive |
| R8582 | Anal low risk human papillomavirus (HPV) DNA test positive |
| R8589 | Other abnormal findings in specimens from digestive organs and abdominal cavity |