T56 ICD-10-CM Code: Toxic effect of metals
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
T56Toxic effect of metals
ICD-10-CM diagnosis code · United States clinical modification
Where T56 sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- 3
Category T56
Toxic effect of metals
- 4
Code T56
Toxic effect of metals
Codes under T56
T56 is a non-billable category. Choose the child code that best matches the documented diagnosis.
T56.0Toxic effects of lead and its compoundsT56.1Toxic effects of mercury and its compoundsT56.2Toxic effects of chromium and its compoundsT56.3Toxic effects of cadmium and its compoundsT56.4Toxic effects of copper and its compoundsT56.5Toxic effects of zinc and its compoundsT56.6Toxic effects of tin and its compoundsT56.7Toxic effects of beryllium and its compoundsT56.8Toxic effects of other metalsT56.9Toxic effects of unspecified metalNotes for this code
Inclusion terms
No inclusion terms are listed for T56.
Code first
No “code first” instruction is listed for T56.
Use additional code
- code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)
Excludes1
Conditions that should not be reported together with this code.
- arsenic and its compounds (T57.0)
- manganese and its compounds (T57.2)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T56.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code T56 mean?
T56 is the FY 2027 U.S. ICD-10-CM code for “Toxic effect of metals.”
Is T56 a billable or specific ICD-10-CM code?
No. T56 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is T56 located in ICD-10-CM?
T56 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) (T51–T65), under category T56, Toxic effect of metals.
What coding notes are listed for T56?
No inclusion terms are listed for T56 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-). Excludes1 notes: arsenic and its compounds (T57.0); manganese and its compounds (T57.2). No Excludes2 note is listed.