R89.4Billable
Abnormal immunological findings in specimens from other organs, systems and tissues
Short description: Abnormal immunolog findings in specimens from oth org/tiss
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R89
- Effective date
- October 1, 2026
Related codes in category R89
R89Abnormal findings in specimens from oth org/tissR89.0Abnormal level of enzymes in specimens from oth org/tissYesR89.1Abnormal level of hormones in specimens from oth org/tissYesR89.2Abn lev drug/meds/biol subst in specimens from oth org/tissYesR89.3Abn lev substnc nonmed source in specmn from oth org/tissYesR89.5Abnormal microbiolog findings in specimens from oth org/tissYesR89.6Abnormal cytological findings in specimens from oth org/tissYesR89.7Abnormal histolog findings in specimens from oth org/tissYesR89.8Oth abnormal findings in specimens from oth org/tissYesR89.9Unsp abnormal finding in specimens from oth org/tissYes
Frequently asked questions
What is ICD-10 code R89.4?
R89.4 is an ICD-10-CM diagnosis code for Abnormal immunological findings in specimens from other organs, systems and tissues.
Is R89.4 a billable code?
Yes. R89.4 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R89.4 in?
R89.4 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R89.4 become effective?
R89.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R89.4?
R89.4 belongs to category R89, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.