All ICD10 Codes
R89Non-billable

Abnormal findings in specimens from other organs, systems and tissues

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)·category·FY 2026

Use a more specific code (10 billable)
R89.0Abnormal level of enzymes in specimens from other organs, systems and tissuesR89.1Abnormal level of hormones in specimens from other organs, systems and tissuesR89.2Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissuesR89.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissuesR89.4Abnormal immunological findings in specimens from other organs, systems and tissuesR89.5Abnormal microbiological findings in specimens from other organs, systems and tissuesR89.6Abnormal cytological findings in specimens from other organs, systems and tissuesR89.7Abnormal histological findings in specimens from other organs, systems and tissuesR89.8Other abnormal findings in specimens from other organs, systems and tissuesR89.9Unspecified abnormal finding in specimens from other organs, systems and tissues

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R83-R89 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on examination of blood, without diagnosis (R70-R79)
  • abnormal findings on examination of urine, without diagnosis (R80-R82)
  • abnormal tumor markers (R97.-)

Instructional Notes

Includes
  • abnormal findings in nipple discharge
  • abnormal findings in synovial fluid
  • abnormal findings in wound secretions

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
R89Abnormal findings in specimens from other organs, systems and tissuesNot billable
R89.0Abnormal level of enzymes in specimens from other organs, systems and tissuesBillable
R89.1Abnormal level of hormones in specimens from other organs, systems and tissuesBillable
R89.2Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissuesBillable
R89.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissuesBillable
R89.4Abnormal immunological findings in specimens from other organs, systems and tissuesBillable
R89.5Abnormal microbiological findings in specimens from other organs, systems and tissuesBillable
R89.6Abnormal cytological findings in specimens from other organs, systems and tissuesBillable
R89.7Abnormal histological findings in specimens from other organs, systems and tissuesBillable
R89.8Other abnormal findings in specimens from other organs, systems and tissuesBillable
R89.9Unspecified abnormal finding in specimens from other organs, systems and tissuesBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.