R76.89 — Other specified abnormal immunological findings in serum
Is R76.89 billable?
Yes, but R76.89 is an unspecified code. R76.89 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R76.89 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting R76.89 — the more specific alternatives are listed below.
More specific alternatives
R76.89 at a glance
| Code | R76.89 |
|---|---|
| Description | Other specified abnormal immunological findings in serum |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R76.89 group to?
R76.89 sits in MDC 16 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 814Reticuloendothelial and Immunity Disorders with MCCmedical
- 815Reticuloendothelial and Immunity Disorders with CCmedical
- 816Reticuloendothelial and Immunity Disorders without CC/MCCmedical
How is R76.89 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R76.89. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Elevated, elevation › immunoglobulin level
- Positive › serology for syphilis › false
- Abnormal, abnormality, abnormalities › immunological findings › in serum › specified NEC
Inclusion terms
Alternative wording in documentation that is classified to R76.89.
- Raised level of immunoglobulins NOS
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R76.89, but a patient may have both at the same time. When documentation supports it, R76.89 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R70-R79
The conditions below are not part of R76.89, but a patient may have both at the same time. When documentation supports it, R76.89 and the excluded code may both be reported.
- 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)
How long has R76.89 existed?
R76.89 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.