All ICD10 Codes
R76Non-billable

Other abnormal immunological findings in serum

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·Abnormal findings on examination of blood, without diagnosis (R70-R79)·category·FY 2026

Use a more specific code (2 billable, 2 non-billable)
R76.0Raised antibody titerR76.1Nonspecific reaction to test for tuberculosishas subcodesR76.8Other specified abnormal immunological findings in serumhas subcodesR76.9Abnormal immunological finding in serum, unspecified

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)

R70-R79 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • abnormalities of lipids (E78.-)
  • abnormalities of platelets and thrombocytes (D69.-)
  • abnormalities of white blood cells classified elsewhere (D70-D72)
  • coagulation hemorrhagic disorders (D65-D68)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
  • hemorrhagic and hematological disorders of newborn (P50-P61)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R76Other abnormal immunological findings in serumNot billable
R76.0Raised antibody titerBillable
R76.1Nonspecific reaction to test for tuberculosisSubcodes
R76.8Other specified abnormal immunological findings in serumSubcodes
R76.9Abnormal immunological finding in serum, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.