AutoICD API

T33

Non-billable

Superficial frostbite

Superficial frostbite

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T33-T34

Child Codes

10

Coding Notes

Includes

Conditions included under this code

  • frostbite with partial thickness skin loss

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

  • hypothermia and other effects of reduced temperature (T68, T69.-)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (10)

T33.0

Superficial frostbite of head

T33.1

Superficial frostbite of neck

T33.2

Superficial frostbite of thorax

T33.3

Superficial frostbite of abd wall, lower back and pelvis

T33.4

Superficial frostbite of arm

T33.5

Superficial frostbite of wrist, hand, and fingers

T33.6

Superficial frostbite of hip and thigh

T33.7

Superficial frostbite of knee and lower leg

T33.8

Superficial frostbite of ankle, foot, and toe(s)

T33.9

Superficial frostbite of other and unspecified sites

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code T33?

ICD-10-CM code T33 represents "Superficial frostbite". It is a non-billable header code — use a more specific child code for billing purposes.

Is T33 a billable code?

No, T33 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under T33.

What chapter is T33 in?

T33 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T33?

T33 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).

What are the subcategories under T33?

T33 has 10 child codes, including: T33.0 (Superficial frostbite of head), T33.1 (Superficial frostbite of neck), T33.2 (Superficial frostbite of thorax), T33.3 (Superficial frostbite of abd wall, lower back and pelvis), and 6 more.

Are additional codes required with T33?

Yes, when using T33 you should also code: code to identify any retained foreign body, if applicable (Z18.-).

What are the UMLS CUIs for T33?

T33 is linked to 2 UMLS Concept Unique Identifiers: C0332699, C4290398. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.