Toxic effect of zinc and its compounds, undetermined, initial encounter
Billable / specific
T56.5X4A is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from T56)
- toxic effects of fumes and vapors of metals
- toxic effects of metals from all sources, except medicinal substances
- Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
- Note: When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
- code to identify any retained foreign body, if applicable (Z18.-) (from T56)
- code(s): (from T56)
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) (from T56)
- personal history of foreign body fully removed (Z87.821) (from T56)
- to identify any retained foreign body, if applicable (Z18.-) (from T56)
- code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-) (from T56)
7th character
The 7th character values that apply to this code (defined at T56). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- T56.5X4Toxic effect of zinc and its compounds, undeterminedNeeds 7th char