S00.522 (Blister (nonthermal) of oral cavity) is an umbrella ICD-10-CM medical diagnosis code in the Injury, poisoning and certain other consequences of external causes chapter. It identifies cases of blister (nonthermal) of oral cavity for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

S00.522 — Blister (nonthermal) of oral cavity

Chapter S00-T88: Injury, poisoning and certain other consequences of external causes

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Sub-codes under S00.522

S00.522ABlister (nonthermal) of oral cavity, initial encounterS00.522DBlister (nonthermal) of oral cavity, subsequent encounterS00.522SBlister (nonthermal) of oral cavity, sequela

Related diagnoses

S00.521Blister (nonthermal) of lip

Common questions about S00.522 (Blister (nonthermal) of oral cavity)

What does ICD-10 code S00.522 mean?
S00.522 is the ICD-10-CM 2025 code for Blister (nonthermal) of oral cavity. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is S00.522 a billable diagnosis code?
S00.522 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under S00.522. Browse the sub-codes listed on this page.
Which ICD-10 chapter does S00.522 belong to?
S00.522 belongs to the chapter "Injury, poisoning and certain other consequences of external causes" (codes S00-T88). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Blister (nonthermal) of oral cavity?
For a plain-language explanation of Blister (nonthermal) of oral cavity, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Blister (nonthermal) of oral cavity" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗