T48
ICD-10Non-billable categoryAgents prim act on smooth and skeletal musc and the resp sys
Official ICD-10-CM descriptor (FY2026)
Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system
T48 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.
7th character
- The appropriate 7th character is to be added to each code from category T48
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under T48
- T48.0Oxytocic drugscategory
- T48.1Skeletal muscle relaxantscategory
- T48.2And unsp drugs acting on musclescategory
- T48.3Antitussivescategory
- T48.4Expectorantscategory
- T48.5Anti-common-cold drugscategory
- T48.6Antiasthmatics, not elsewhere classifiedcategory
- T48.9And unsp agents primarily acting on the respiratory systemcategory
Where this code sits
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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.