Health Information Management

Tip: Coding meniscus tears of the knee in ICD-10

APCs Insider, January 10, 2014

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ICD-10-CM offers extensive coding options for tears to the meniscus of the knee, allowing coders to specify the type of tear, the meniscus impacted, and on which leg the tear occurred.
The S83- series includes codes require a concept new to ICD-10-CM in order to code correctly.
The ICD-10-CM Official Guidelines for Coding and Reporting explain that some codes require a seventh character. The guidelines at the beginning of S83- state that coders must report one of the following to codes in that category as the seventh character:
  • A, initial encounter
  • D, subsequent encounter
  • S, sequela
The applicable codes are:
  • S83.30, tear of articular cartilage of unspecified knee, current
  • S83.31, tear of articular cartilage of right knee, current
  • S83.32, tear of articular cartilage of left knee, current
 
The S83.3 codes only contain five characters, so coders must insert the placeholder X as the sixth character in order to complete the code. For example, the code for the initial encounter for a tear in the articular cartilage of the left knee would be S83.31XA.
 
This tip is adapted from “ICD-10 anatomy refresher: Knee” in the December issue of Briefings on APCs.



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