T17.818S – Gastric contents in other parts of respiratory tract causing other injury, sequela

ICD-10-CM 2027 diagnosis code · Effects of foreign body entering through natural orifice

Billable code

ICD-10-CM code T17.818S

Code: T17.818S (claims format: T17818S)
Description: Gastric contents in other parts of respiratory tract causing other injury, sequela
Short description: Gastr contents in oth prt resp tract cause oth injury, sqla
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: T15-T19 Effects of foreign body entering through natural orifice
Parent codes: T17 › T17.8 › T17.81 › T17.818

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care.

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

T17 – Foreign body in respiratory tract

7th character note:

The appropriate 7th character is to be added to each code from category T17

T17.8 – Foreign body in other parts of respiratory tract

Applicable to:

Foreign body in bronchioles
Foreign body in lung

T17.81 – Gastric contents in other parts of respiratory tract

Applicable to:

Aspiration of gastric contents into other parts of respiratory tract
Vomitus in other parts of respiratory tract

Block T15-T19

Excludes2 (not included here):

foreign body accidentally left in operation wound (T81.5-)
foreign body in penetrating wound - See open wound by body region
residual foreign body in soft tissue (M79.5)
splinter, without open wound - See superficial injury by body region

Use additional code:

code, if known, for foreign body entering into or through a natural orifice (W44.-)

Related codes in T17.818

Frequently asked questions

What is ICD-10 code T17.818S?

T17.818S is the ICD-10-CM code for gastric contents in other parts of respiratory tract causing other injury, sequela, in the block T15-T19 (Effects of foreign body entering through natural orifice).

Is T17.818S a billable code?

Yes. T17.818S is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does T17.818S belong to?

It belongs to category T17 – Foreign body in respiratory tract.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.