2027 ICD-10-CM Diagnosis Code T17.898AOther foreign object in other parts of respiratory tract causing other injury, initial encounter
ICD-10-CM Codes›S00–T88›T15-T19›T17
- Billable — Valid for Submission
- CC — Complication or Comorbidity
- 7th Character A — Initial Encounter
- Not Chronic
T17.898A is a billable ICD-10-CM diagnosis code for other foreign object in other parts of respiratory tract causing other injury, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 205 through 206. As a secondary diagnosis, it counts as a complication or comorbidity (CC) and moves an inpatient stay to a higher severity level within its MS-DRG family. It does not count, however, when the principal diagnosis is one of 32 closely related codes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Effect of foreign body entering opening, initial encounter; External cause codes: intent of injury, accidental/unintentional; and External cause codes: other specified, classifiable and NEC; initial encounter.
Code Identity
Code Classification
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Foreign body in respiratory tract (T17). Use the following options for the applicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to T17.898A: its own notes plus those printed at T17, block T15-T19, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code, if known, for foreign body entering into or through a natural orifice (W44.-)
- code to identify any retained foreign body, if applicable (Z18.-)
Notes
General instructions on how these codes are used.
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
7th Character
Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.
- The appropriate 7th character is to be added to each code from category T17
- Ainitial encounter this code
- Dsubsequent encounter
- Ssequela
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name T17.898A, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming T17.898A: they are not reported together with it, unless the two conditions are unrelated.
Excludes2 3
These codes carry an Excludes2 note naming T17.898A: its condition is not part of those codes, and both may be reported when the patient has both.
- Block S20-S29 Injuries to the thoraxeffects of foreign body in lung (T17.8) names T17.8, which includes this code
- T18.1 Foreign body in esophagusforeign body in respiratory tract (T17.-) names T17.-, which includes this code
- Z03.82 Encounter for observation for suspected foreign body ruled outforeign body in respiratory tract (T17) names T17, which includes this code
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Foreign Bodies
If you've ever gotten a splinter or had sand in your eye, you've had experience with a foreign body. A foreign body is something that is stuck inside you but isn't supposed to be there. You may inhale or swallow a foreign body, or you may get one from an injury to almost any part of your body.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert T17.898A to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About T17.898AOverview
Is T17.898A a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other foreign object in other parts of respiratory tract causing other injury, initial encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What does the 7th character A in T17.898A mean?
The final character A marks the initial encounter: use it while the patient is receiving active treatment for other foreign object in other parts of respiratory tract causing other injury, such as an emergency visit or first evaluation.
What MS-DRG does T17.898A group to?
When other foreign object in other parts of respiratory tract causing other injury, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 206, 205, with relative weights from 0.9255 to 1.8244 depending on complications. Higher weights mean higher Medicare reimbursement.
Is T17.898A a CC or MCC?
CMS lists T17.898A as a CC (complication or comorbidity) for FY 2027. Reported as a secondary diagnosis, it moves the inpatient stay to a higher-weighted DRG within its severity family. It does not count when the principal diagnosis is one of the 32 closely related codes in its exclusion list.
What is the ICD-9 equivalent of T17.898A?
Under the General Equivalence Mappings, other foreign object in other parts of respiratory tract causing other injury, initial encounter converts to ICD-9-CM 934.8 (FB trach/bronch/lung NEC) and E912 (resp obstr-inhal obj NEC). The mapping is approximate, so confirm the match fits the documentation.