Is I73.89 a billable ICD-10-CM code?

Yes. I73.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I73.89 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).

I73.89

I73.89 — Other specified peripheral vascular diseases

Billable / specific codeICD-10-CM

I73.89 is a billable, specific ICD-10-CM code for other specified peripheral vascular diseases. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Acrocyanosis
Erythrocyanosis
Simple acroparesthesia [Schultze's type]
Vasomotor acroparesthesia [Nothnagel's type]

Risk adjustment

I73.89 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

I73.89 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52996Billing and Coding: Routine Foot Care
A56625Billing and Coding: Echocardiography
A56682Billing and Coding: Diagnostic Abdominal Aortography and Renal Angiography
A56682Billing and Coding: Diagnostic Abdominal Aortography and Renal Angiography

How I73.89 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 I73.89.

Acroasphyxia, chronic
Acrocyanosis
Acroparesthesia(simple) (vasomotor)
Crocq's disease(acrocyanosis)
Erythrocyanosis(crurum)
Schultze's type acroparesthesia, simple
Disease, diseased›Crocq's(acrocyanosis)
Nothnagel's›vasomotor acroparesthesia
Syndrome›hypothenar hammer
Syndrome›Nothnagel's vasomotor acroparesthesia
Angiopathia, angiopathy›peripheral›specified type NEC

Related codes at this level

Codes that share I73.8. If I73.89 is not quite right, the correct code is usually one of these.

I73.81Erythromelalgia

Questions about I73.89

Is I73.89 a billable ICD-10-CM code?: Yes. I73.89 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I73.89 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).