T33.1XXS – Superficial frostbite of neck, sequela
ICD-10-CM 2027 diagnosis code · Frostbite
ICD-10-CM code
T33.1XXS
- Code
T33.1XXS(claims format:T331XXS)- Description
- Superficial frostbite of neck, sequela
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- T33-T34 Frostbite
- Parent codes
- T33 › T33.1
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
T33 – Superficial frostbite
Includes:
- frostbite with partial thickness skin loss
7th character note:
- The appropriate 7th character is to be added to each code from category T33
Block T33-T34
Related codes in T33.1
Frequently asked questions
What is ICD-10 code T33.1XXS?
T33.1XXS is the ICD-10-CM code for superficial frostbite of neck, sequela, in the block T33-T34 (Frostbite).
Is T33.1XXS a billable code?
Yes. T33.1XXS is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does T33.1XXS belong to?
It belongs to category T33 – Superficial frostbite.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.