Y21.8D is the authoritative medical code for Other drowning and submersion, undetermined intent, subsequent encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for other drowning and submersion, undetermined intent, subsequent encounter (ICD-10-CM Y21.8D), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other drowning and submersion, undetermined intent, subsequent encounter is a billable ICD-10-CM diagnosis code Y21.8D. 7th character: The appropriate 7th character is to be added to each code from category Y21.
Frequently Asked Questions (FAQ) & Clinical Guidance
Does Y21.8D require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category Y21.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as Y21.8D, with their registry titles.
- Y21 — Drowning and submersion, undetermined intent
- Y21-Y33 — Event of undetermined intent (Y21-Y33)
- Y21.0 — Drowning and submersion while in bathtub, undetermined intent
- Y21.0A — Drowning and submersion while in bathtub, undetermined intent, initial encounter
- Y21.0D — Drowning and submersion while in bathtub, undetermined intent, subsequent encounter
- Y21.0S — Drowning and submersion while in bathtub, undetermined intent, sequela
- Y21.0XXA — Drowning and submersion while in bathtub, undetermined intent, initial encounter
- Y21.0XXD — Drowning and submersion while in bathtub, undetermined intent, subsequent encounter
- Y21.0XXS — Drowning and submersion while in bathtub, undetermined intent, sequela
- Y21.1 — Drowning and submersion after fall into bathtub, undetermined intent
- Y21.1A — Drowning and submersion after fall into bathtub, undetermined intent, initial encounter
- Y21.1D — Drowning and submersion after fall into bathtub, undetermined intent, subsequent encounter
- Y21.1S — Drowning and submersion after fall into bathtub, undetermined intent, sequela
- 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
- Y21.2A — Drowning and submersion while in swimming pool, undetermined intent, initial encounter
- Y21.2D — Drowning and submersion while in swimming pool, undetermined intent, subsequent encounter
- Y21.2S — Drowning and submersion while in swimming pool, undetermined intent, sequela
- Y21.2XXA — Drowning and submersion while in swimming pool, undetermined intent, initial encounter
- Y21.2XXD — Drowning and submersion while in swimming pool, undetermined intent, subsequent 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
- Y21.3A — Drowning and submersion after fall into swimming pool, undetermined intent, initial encounter
- Y21.3D — Drowning and submersion after fall into swimming pool, undetermined intent, subsequent encounter
- Y21.3S — Drowning and submersion after fall into swimming pool, undetermined intent, sequela
- 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
- Y21.4 — Drowning and submersion in natural water, undetermined intent
- Y21.4A — Drowning and submersion in natural water, undetermined intent, initial encounter
- Y21.4D — Drowning and submersion in natural water, undetermined intent, subsequent encounter
- Y21.4S — Drowning and submersion in natural water, undetermined intent, sequela
- Y21.4XXA — Drowning and submersion in natural water, undetermined intent, initial encounter
- Y21.4XXD — Drowning and submersion in natural water, undetermined intent, subsequent encounter
- Y21.4XXS — Drowning and submersion in natural water, undetermined intent, sequela
- Y21.8 — Other drowning and submersion, undetermined intent
- Y21.8A — Other drowning and submersion, undetermined intent, initial encounter
- Y21.8S — Other drowning and submersion, undetermined intent, sequela
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code Y23.8D
Other larger firearm discharge, undetermined intent, subsequent encounter
ICD Code Y24.8D
Other firearm discharge, undetermined intent, subsequent encounter