Category · FY2027

Y21 Drowning and submersion, undetermined intent

Header · not billable
Codes take a 7th character

Y21 is not billable. The category heads 21 billable codes in FY2027, grouped under 7 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Where it sits

Chapter 20 External causes of morbidity (V00-Y99)
Y21-Y33 Event of undetermined intent (Y21-Y33)
Y21 Drowning and submersion, undetermined intent

Billable codes: 21
Subdivisions: 7
CC / MCC codes: 0 / 0
HCC V28 codes: 0
New FY2027: 0
Index entries: 0

Codes in Y21

Y21.0
Drowning and submersion while in bathtub, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.1
Drowning and submersion after fall into bathtub, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.2
Drowning and submersion while in swimming pool, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.3
Drowning and submersion after fall into swimming pool, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.4
Drowning and submersion in natural water, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.8
Other drowning and submersion, undetermined intent +7th: A D S
Needs 7th characterExempt
Y21.9
Unspecified drowning and submersion, undetermined intent +7th: A D S
Needs 7th characterExempt

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block Y21-Y33 instructions (Inclusion terms 1): printed on the block page.

Chapter 20 instructions (Notes 1): printed on the chapter 20 page.

7th characters

7th characters for Y21 defined here

The appropriate 7th character is to be added to each code from category Y21

7th characters for Y21
7th	Meaning (NCHS)
A	initial encounter
D	subsequent encounter
S	sequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.