D89.8 — Other specified disorders involving the immune mechanism, not elsewhere classified
Is D89.8 billable?
No — D89.8 is a non-billable header code. D89.8 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 13 billable codes beneath D89.8.
Billable codes under this header
- D89.82Autoimmune lymphoproliferative syndrome [ALPS]
- D89.84IgG4-related disease
- D89.89Other specified disorders involving the immune mechanism, not elsewhere classified
- D89.810Acute graft-versus-host disease
- D89.811Chronic graft-versus-host disease
- D89.812Acute on chronic graft-versus-host disease
- D89.813Graft-versus-host disease, unspecified
- D89.831Cytokine release syndrome, grade 1
- D89.832Cytokine release syndrome, grade 2
- D89.833Cytokine release syndrome, grade 3
- D89.834Cytokine release syndrome, grade 4
- D89.835Cytokine release syndrome, grade 5
- D89.839Cytokine release syndrome, grade unspecified
D89.8 at a glance
| Code | D89.8 |
|---|---|
| Description | Other specified disorders involving the immune mechanism, not elsewhere classified |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from D80-D89
The conditions below can never be reported together with D89.8 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from D89
The conditions below can never be reported together with D89.8 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 3
The conditions below are not part of D89.8, but a patient may have both at the same time. When documentation supports it, D89.8 and the excluded code may both be reported.
- autoimmune disease (systemic) NOS (M35.9)
- certain conditions originating in the perinatal period (P00-P96)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- human immunodeficiency virus [HIV] disease (B20)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from D80-D89
The conditions below are not part of D89.8, but a patient may have both at the same time. When documentation supports it, D89.8 and the excluded code may both be reported.
- human immunodeficiency virus [HIV] disease (B20)
Excludes2 — not included here — inherited from D89
The conditions below are not part of D89.8, but a patient may have both at the same time. When documentation supports it, D89.8 and the excluded code may both be reported.
- transplant failure and rejection (T86.-)
What codes fall under D89.8? (5)
How long has D89.8 existed?
D89.8 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.