ICD-10-CM code V93.21XS represents heat exposure on board passenger ship, sequela. This code falls under the External causes of morbidity (V00-Y99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that V93.21XS has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code V93.21XS?

ICD-10-CM code V93.21XS is "Heat exposure on board passenger ship, sequela". It belongs to the category: External causes of morbidity (V00-Y99).

Is V93.21XS a billable ICD-10 code?

Yes, V93.21XS is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with V93.21XS?

V93.21XS has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can V93.21XS be coded with other codes?

V93.21XS has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in V93.21

Other codes in the same category that may be relevant for differential coding:

V93.21XAHeat exposure on board passenger ship, initial encounter V93.21XDHeat exposure on board passenger ship, subsequent encounter

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Code Information

CodeV93.21XS

BillableYes

ParentV93.21

CategoryExternal causes of morbidity (V00-Y99)

Excludes16 rule(s)

Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)