Is S83.221D a billable ICD-10-CM code?

Yes. S83.221D is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does S83.221D sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).

What cannot be coded together with S83.221D?

S83.221D carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S83.221D (S83.2) and apply to it just the same.

S83.221D

S83.221D — Peripheral tear of medial meniscus, current injury, right knee, subsequent encounter

Billable / specific codeICD-10-CMPOA exemptright

S83.221D is a billable, specific ICD-10-CM code for peripheral tear of medial meniscus, current injury, right knee, subsequent encounter. It is valid for submission on a claim.

7th character "D" — subsequent encounter

The appropriate 7th character is to be added to each code from category S83

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S83.221D

These are not written on S83.221D, but they bind it: a note on a category applies to every code beneath it. Billing S83.221D with anything listed here is a denial.

Written on S83.2 — Tear of meniscus, current injury

old bucket-handle tear (M23.2)

Excludes2 inherited from the categories above S83.221D

Also inherited, and the opposite of Excludes1: these conditions are not part of S83.221D, but a patient can have both, so you may code both.

Written on S83 — Dislocation and sprain of joints and ligaments of knee

derangement of patella (M22.0-M22.3)
injury of patellar ligament (tendon) (S76.1-)
internal derangement of knee (M23.-)
old dislocation of knee (M24.36)
pathological dislocation of knee (M24.36)
recurrent dislocation of knee (M22.0)
strain of muscle, fascia and tendon of lower leg (S86.-)

Risk adjustment

S83.221D does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

S83.221D is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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Code history

S83.221D has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share S83.221. If S83.221D is not quite right, the correct code is usually one of these.

Questions about S83.221D

Is S83.221D a billable ICD-10-CM code?: Yes. S83.221D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S83.221D sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the knee and lower leg (S80-S89).
What cannot be coded together with S83.221D?: S83.221D carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above S83.221D (S83.2) and apply to it just the same.