R89.4
✓ Billable
Abnormal immunological findings in specimens from other organs, systems and tissues
ICD-10-CM · FY2026 · Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Code
R89.4
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Symptoms, Signs and Abnormal Clinical and Laboratory Findings
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code R89.4?
ICD-10-CM code R89.4 represents Abnormal immunological findings in specimens from other organs, systems and tissues. It is a billable diagnosis code in the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter, effective October 1, 2025 – September 30, 2026.
Is R89.4 billable?
Yes. R89.4 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is R89.4 in?
R89.4 belongs to the Symptoms, Signs and Abnormal Clinical and Laboratory Findings chapter (R00–R99) of ICD-10-CM.
Related codes in the R89 category
R89
Abnormal findings in specimens from other organs, systems and tissues
Non-billable
R89.0
Abnormal level of enzymes in specimens from other organs, systems and tissues
Billable
R89.1
Abnormal level of hormones in specimens from other organs, systems and tissues
Billable
R89.2
Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues
Billable
R89.3
Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues
Billable
R89.5
Abnormal microbiological findings in specimens from other organs, systems and tissues
Billable
R89.6
Abnormal cytological findings in specimens from other organs, systems and tissues
Billable
R89.7
Abnormal histological findings in specimens from other organs, systems and tissues
Billable
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