T88.3XXA
Malignant hyperthermia due to anesthesia, initial encounter
- Release
- FY 2027
- Effective
Hierarchy
Where T88.3XXA sits in the official hierarchy. Each level is the code it is classified under.
- T88 Other complications of surgical and medical care, not elsewhere classified
- T88.3 Parent Malignant hyperthermia due to anesthesia
- T88.3XXA This code Malignant hyperthermia due to anesthesia, initial encounter
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes2
complication following infusion, transfusion and therapeutic injection ( T80 .-)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complication following procedure NEC ( T81 .-)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complications of anesthesia in labor and delivery ( O74 .-)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complications of anesthesia in pregnancy ( O29 .-)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complications of anesthesia in puerperium ( O89 .-)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complications of devices, implants and grafts (T82-T85)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
complications of obstetric surgery and procedure ( O75.4 )
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
dermatitis due to drugs and medicaments ( L23.3 , L24.4 , L25.1 , L27.0-L27.1)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Excludes2
specified complications classified elsewhere
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Use Additional Code
code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)
Inherited from T88.3 — Malignant hyperthermia due to anesthesia
7th Character
The appropriate 7th character is to be added to each code from category T88
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
7th Character
A - initial encounter
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
7th Character
D - subsequent encounter
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
7th Character
S - sequela
Inherited from T88 — Other complications of surgical and medical care, not elsewhere classified
Version History
How T88.3XXA appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMalignant hyperthermia due to anesthesia, initial encounter
-
FY 2026 Effective
UnchangedMalignant hyperthermia due to anesthesia, initial encounter
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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