T45.8
ICD-10Non-billable categoryPrimarily systemic and hematological agents
Official ICD-10-CM descriptor (FY2026)
Poisoning by, adverse effect of and underdosing of other primarily systemic and hematological agents
T45.8 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Poisoning by, adverse effect of and underdosing of liver preparations and other antianemic agents
- Poisoning by, adverse effect of and underdosing of natural blood and blood products
- Poisoning by, adverse effect of and underdosing of plasma substitute
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- poisoning by, adverse effect of and underdosing of immunoglobulin (T50.Z1)
- poisoning by, adverse effect of and underdosing of iron (T45.4)
- transfusion reactions (T80.-)
ICD-10-CM FY2026 defines 1 code beneath T45.8. See the ICD-10-CM index for what this site publishes.
Related codes in T45
- T45.0Antiallergic and antiemetic drugscategory
- T45.1Antineoplastic and immunosuppressive drugscategory
- T45.2Poisoning by, adverse effect of and underdosing of vitaminscategory
- T45.3Poisoning by, adverse effect of and underdosing of enzymescategory
- T45.4Iron and its compoundscategory
- T45.5Anticoagulants and antithrombotic drugscategory
- T45.6Fibrinolysis-affecting drugscategory
- T45.7Anticoagulant antagonists, vitamin K and oth coagulantscategory
- T45.9Unsp primarily systemic and hematological agentcategory
- T45.AImmune checkpoint inhibitors and immunostimulant drugscategory
Where this code sits
- Parent code
- T45
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.