Billable / Specific Code
ICD-10-CM T34.99 is the diagnosis code for Frostbite with tissue necrosis of other sites. This code falls under the section "Frostbite" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where T34.99 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T34.99 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T34.99 is the ICD-10-CM diagnosis code for "Frostbite with tissue necrosis of other sites". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T34.99 is T34.9 ("Frostbite with tissue necrosis of other and unspecified sites"). T34.99 provides a more specific classification within this category.
T34.99 is located in Section T33-T34 — "Frostbite" within Chapter 19 of the ICD-10-CM Tabular List.
T34.99 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use T34.99 when the patients documented diagnosis matches "Frostbite with tissue necrosis of other sites" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Frostbite with tissue necrosis of other sites is T34.99.
Yes, T34.99 can be used as a primary diagnosis code since it is billable and specific.
T34.99 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T34.99 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.