I95-I99 — Other and unspecified disorders of the circulatory system
ICD-10-CM codes I95-I99 cover other and unspecified disorders of the circulatory system, within diseases of the circulatory system. The block holds 72 codes across 4 categories, of which 49 are billable and 23 are header codes that cannot be submitted on a claim.
Risk adjustment in I95-I99
0 codes in this block map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded. Under-coding here is money left on the table; over-coding here is what audits are for.
- HCC 263 Atherosclerosis of Arteries of the Extremities with Ulceration or Gangrene
What else to watch in I95-I99
- 47 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.