All ICD10 Codes
Chapter 18

R00–R99: Symptoms, Signs and Abnormal Clinical and Laboratory Findings

Symptoms, Signs and Abnormal Clinical and Laboratory Findings diagnostic classification updated for 2026.

Chapter 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)
All CodesBillable Only
Internal Codes
PrevNext
  • R77.0—

    Abnormality of albumin

  • R77.1—

    Abnormality of globulin

  • R77.2—

    Abnormality of alphafetoprotein

  • R77.8—

    Other specified abnormalities of plasma proteins

  • R77.9—

    Abnormality of plasma protein, unspecified

  • R78—

    Findings of drugs and other substances, not normally found in blood

  • R78.0—

    Finding of alcohol in blood

  • R78.1—

    Finding of opiate drug in blood

  • R78.2—

    Finding of cocaine in blood

  • R78.3—

    Finding of hallucinogen in blood

  • R78.4—

    Finding of other drugs of addictive potential in blood

  • R78.5—

    Finding of other psychotropic drug in blood

  • R78.6—

    Finding of steroid agent in blood

  • R78.7—

    Finding of abnormal level of heavy metals in blood

  • R78.71—

    Abnormal lead level in blood

  • R78.79—

    Finding of abnormal level of heavy metals in blood

  • R78.8—

    Finding of other specified substances, not normally found in blood

  • R78.81—

    Bacteremia

  • R78.89—

    Finding of other specified substances, not normally found in blood

  • R78.9—

    Finding of unspecified substance, not normally found in blood

  • R79—

    Other abnormal findings of blood chemistry

  • R79.0—

    Abnormal level of blood mineral

  • R79.1—

    Abnormal coagulation profile

  • R79.8—

    Other specified abnormal findings of blood chemistry

  • R79.81—

    Abnormal blood-gas level

  • R79.82—

    Elevated C-reactive protein (CRP)

  • R79.83—

    Abnormal findings of blood amino-acid level

  • R79.89—

    Other specified abnormal findings of blood chemistry

  • R79.9—

    Abnormal finding of blood chemistry, unspecified

  • R80—

    Proteinuria

  • R80.0—

    Isolated proteinuria

  • R80.1—

    Persistent proteinuria, unspecified

  • R80.2—

    Orthostatic proteinuria, unspecified

  • R80.3—

    Bence Jones proteinuria

  • R80.8—

    Other proteinuria

  • R80.9—

    Proteinuria, unspecified

  • R81—

    Glycosuria

  • R82—

    Other and unspecified abnormal findings in urine

  • R82.0—

    Chyluria

  • R82.1—

    Myoglobinuria

  • R82.2—

    Biliuria

  • R82.3—

    Hemoglobinuria

  • R82.4—

    Acetonuria

  • R82.5—

    Elevated urine levels of drugs, medicaments and biological substances

  • R82.6—

    Abnormal urine levels of substances chiefly nonmedicinal as to source

  • R82.7—

    Abnormal findings on microbiological examination of urine

  • R82.71—

    Bacteriuria

  • R82.79—

    Other abnormal findings on microbiological examination of urine

  • R82.8—

    Abnormal findings on cytological and histological examination of urine

  • R82.81—

    Pyuria

PreviousPage 15 of 20Next