T88.3XXA ICD-10-CM Code: Malignant hyperthermia due to anesthesia, initial encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
T88.3XXAMalignant hyperthermia due to anesthesia, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where T88.3XXA sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Complications of surgical and medical care, not elsewhere classified (T80-T88)
- 3
Category T88
Other complications of surgical and medical care, not elsewhere classified
- 4
Subcategory T88.3
Malignant hyperthermia due to anesthesia
- 5
Code T88.3XXA
Malignant hyperthermia due to anesthesia, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for T88.3XXA.
Code first
No “code first” instruction is listed for T88.3XXA.
Use additional code
No “use additional code” instruction is listed for T88.3XXA.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for T88.3XXA.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for T88.3XXA.
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code T88.3XXA mean?
T88.3XXA is the FY 2027 U.S. ICD-10-CM code for “Malignant hyperthermia due to anesthesia, initial encounter.”
Is T88.3XXA a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, T88.3XXA has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is T88.3XXA located in ICD-10-CM?
T88.3XXA is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Complications of surgical and medical care, not elsewhere classified (T80-T88) (T80–T88), under category T88, Other complications of surgical and medical care, not elsewhere classified and subcategory T88.3, Malignant hyperthermia due to anesthesia.
What coding notes are listed for T88.3XXA?
No inclusion terms are listed for T88.3XXA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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