V93.20XD ICD-10-CM Code: Heat exposure on board merchant ship, subsequent encounter
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Heat exposure on board merchant ship, subsequent encounter is a billable ICD-10-CM diagnosis code (V93.20D).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for V93.20XD in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- exposure to man-made heat not aboard watercraft (W92)
- exposure to natural heat while on board watercraft (X30)
- exposure to sunlight while on board watercraft (X32)
- civilian water transport accident involving military watercraft (V94.81-)
- other injury due to accident to watercraft (V91.-)
- military watercraft accident in military or war operations (Y36, Y37.-)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burn due to fire on board watercraft (V93.0-)
- drowning and submersion due to accident on board watercraft, without accident to watercraft (V92.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does V93.20XD require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category V93.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to V93.20XD in its code family, with their registry titles.
- V93.19XD — Other burn on board unspecified watercraft, subsequent encounter
- V93.19XS — Other burn on board unspecified watercraft, sequela
- V93.2 — Heat exposure on board watercraft
- V93.20 — Heat exposure on board merchant ship
- V93.20XA — Heat exposure on board merchant ship, initial encounter
- V93.20XS — Heat exposure on board merchant ship, sequela
- V93.21 — Heat exposure on board passenger ship
- V93.21XA — Heat exposure on board passenger ship, initial encounter
- V93.21XD — Heat exposure on board passenger ship, subsequent encounter
- V93.21XS — Heat exposure on board passenger ship, sequela