ICD-10-CM Code R76.8

Other specified abnormal immunological findings in serum

Version 2020 Billable Code No Valid Principal Dx

Valid for Submission

R76.8 is a billable code used to specify a medical diagnosis of other specified abnormal immunological findings in serum. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code R76.8 might also be used to specify conditions or terms like abnormal blood test, abnormal blood test, anticentromere antibody pattern, anti-dengue igg antibody positive, anti-dengue igm antibody positive, anti-nuclear factor positive, etc

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Short Description:Other specified abnormal immunological findings in serum
Long Description:Other specified abnormal immunological findings in serum

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code R76.8:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Raised level of immunoglobulins NOS

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R76.8 are found in the index:


The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Abnormal blood test
  • Abnormal blood test
  • Anticentromere antibody pattern
  • Anti-dengue IgG antibody positive
  • Anti-dengue IgM antibody positive
  • Anti-nuclear factor positive
  • Anti-nuclear factor weakly positive
  • Anti-streptolysin titer abnormal
  • Autoantibody screening for celiac disease positive
  • Bacterial antibody increase, paired specimens
  • Cytomegalovirus immunoglobulin M antibody in serum positive
  • Cytomegalovirus serostatus positive
  • Direct Coombs test positive
  • Epstein-Barr virus serostatus positive
  • False positive complement fixation test for syphilis
  • False-positive serological test for syphilis
  • Finding of Hepatitis A status
  • Finding of Hepatitis B status
  • Finding of Hepatitis B status
  • Finding of Hepatitis C status
  • Finding of Hepatitis C status
  • Hepatitis A non-immune
  • Hepatitis B antibody present
  • Hepatitis B core antibody positive
  • Hepatitis B non-immune
  • Hepatitis B surface antigen positive
  • Hepatitis C antibody positive with elevated ALT
  • Hepatitis C antibody test positive
  • Hepatitis C non-immune
  • Hepatitis C virus enzyme-linked immunosorbent assay test positive
  • Heterophile agglutin test abnormal
  • Homogeneous antinuclear antibody pattern
  • Human leukocyte antigen B27 test positive
  • Indirect Coombs test positive
  • Jo-1 antibody positive
  • Legionella antibody positive
  • Lewis antibodies present
  • Loss of isoantigens
  • Lupus antibody present
  • Mycoplasma titers abnormal
  • Peripheral antinuclear antibody pattern
  • Reaginic antibodies present
  • Rhesus antibody present
  • Rubella antibody absent
  • Rubella antibody low - not immune
  • Rubella antibody titer - finding
  • Scl 70 antibody positive
  • Serology: false positive
  • Speckled antinuclear antibody pattern
  • Syphilis test finding

Diagnostic Related Groups

The ICD-10 code R76.8 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.


Convert R76.8 to ICD-9

  • 795.6 - False pos sero test-syph (Approximate Flag)
  • 795.79 - Oth unspcf nspf imun fnd (Approximate Flag)

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Abnormal findings on examination of blood, without diagnosis (R70-R79)
      • Other abnormal immunological findings in serum (R76)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020