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Y93.A9

Y93.A9Activity, other involving cardiorespiratory exercise

Billable / specific codeICD-10-CMPOA exempt

Y93.A9 is a billable, specific ICD-10-CM code for activity, other involving cardiorespiratory exercise. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • activities involving cardiorespiratory exercise specified in categories Y93.0-Y93.7

Risk adjustment

Y93.A9 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.

How Y93.A9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Y93.A9.

  • Activitycardiorespiratory exercise NEC
  • Activityphysical training NEC

Related codes at this level

Codes that share Y93.A. If Y93.A9 is not quite right, the correct code is usually one of these.

Questions about Y93.A9

Is Y93.A9 a billable ICD-10-CM code?
Yes. Y93.A9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Y93.A9 sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99).
What cannot be coded together with Y93.A9?
Y93.A9 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.