Y21.1 is the authoritative medical code for Drowning and submersion after fall into bathtub, undetermined intent. This classification is used in medical billing and clinical recording to specify the clinical criteria for drowning and submersion after fall into bathtub, undetermined intent (ICD-10-CM Y21.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Drowning and submersion after fall into bathtub, undetermined intent is a non-billable ICD-10-CM category code Y21.1. A more specific billable subcode must be selected for claims submission. 7th character: The appropriate 7th character is to be added to each code from category Y21.
Frequently Asked Questions (FAQ) & Clinical Guidance
Can Y21.1 be billed directly?
No. Y21.1 (Drowning and submersion after fall into bathtub, undetermined intent) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does Y21.1 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 Y21.1 in its code family, 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
- Y21.0XXA — 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
- Y21.1XXA — 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
View all 29 codes in the Y21 family
Indexed As (2)
Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.
- Drowning (accidental), in, bathtub (accidental), following fall, stated as undetermined whether accidental or intentional
- Undetermined intent (contact) (exposure), drowning (submersion) (in), bathtub, after fall