ICD-10-CM 2027
ICD-10 code for foreign body sensation
From the official ICD-10-CM alphabetic index entry “Sensation › foreign body”. Page updated September 29, 2026.
About coding foreign body sensation
The ICD-10-CM code for foreign body sensation is R09.A0 (Foreign body sensation, unspecified). The official index lists 5 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on R09.A0.
Within R09.A, choose R09.A0 (unspecified) only when documentation doesn't support a more specific option: nose (R09.A1), throat (R09.A2) and other site (R09.A9).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 314 (Other Circulatory System Diagnoses with MCC, relative weight 2.0873), DRG 315 (Other Circulatory System Diagnoses with CC, relative weight 0.9508) and DRG 316 (Other Circulatory System Diagnoses without CC/MCC, relative weight 0.6677), in MDC 05 (Diseases and Disorders of the Circulatory System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
More specific foreign body sensation codes (official index)
Common questions about foreign body sensation ICD-10 codes
What is the ICD-10 code for foreign body sensation?
- R09.A0 — Foreign body sensation, unspecified. More specific codes apply when the documentation supports them: H57.8A, R09.A2, R09.A1, R09.A9 and others below.
What is the ICD-10 code for eye foreign body sensation?
- H57.8A — Foreign body sensation eye (ocular) (header code; choose a more specific subcode).
What is the ICD-10 code for globus foreign body sensation?
- R09.A2 — Foreign body sensation, throat.
What is the ICD-10 code for nose foreign body sensation?
- R09.A1 — Foreign body sensation, nose.
What is the ICD-10 code for throat foreign body sensation?
- R09.A2 — Foreign body sensation, throat.
Is R09.A0 billable?
- Yes. R09.A0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R09.A0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R09.A0 as a principal diagnosis.
Is R09.A0 a CC or MCC?
- No. R09.A0 is neither a CC nor an MCC under MS-DRG v44.0.