Y21.2XXD ICD-10-CM Code: Drowning and submersion while in swimming pool, undetermined intent, 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
Drowning and submersion while in swimming pool, undetermined intent, subsequent encounter is a billable ICD-10-CM diagnosis code (Y21.2D).
Frequently Asked Questions (FAQ) & Clinical Guidance
Does Y21.2XXD require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category Y21.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to Y21.2XXD in its code family, with their registry titles.
- Y21.1XXA — Drowning and submersion after fall into bathtub, undetermined intent, initial encounter
- Y21.1XXD — Drowning and submersion after fall into bathtub, undetermined intent, subsequent encounter
- Y21.1XXS — Drowning and submersion after fall into bathtub, undetermined intent, sequela
- Y21.2 — Drowning and submersion while in swimming pool, undetermined intent
- Y21.2XXA — Drowning and submersion while in swimming pool, undetermined intent, initial encounter
- Y21.2XXS — Drowning and submersion while in swimming pool, undetermined intent, sequela
- Y21.3 — Drowning and submersion after fall into swimming pool, undetermined intent
- Y21.3XXA — Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter
- Y21.3XXD — Drowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter
- Y21.3XXS — Drowning and submersion after fall into swimming pool, undetermined intent, sequela