S81.05

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Open bite of knee

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Bite of knee NOS
Excludes1(Not coded here. Use a different code.)
  • superficial bite of knee (S80.27-)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S80-S89Injuries to the knee and lower leg (S80-S89)
S81Open wound of knee and lower leg
S81.0Open wound of knee
S81.05Open bite of kneeNot billable
S81.051Open bite, right kneeBillable
S81.052Open bite, left kneeBillable
S81.059Open bite, unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S81.05:

categoryS81
Open wound of knee and lower leg
View context instructions
blockS80-S89
Injuries to the knee and lower leg (S80-S89)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Open bite of knee.

Search PCS Codes