ICD-10-CM code · FY2027

I73.81 Erythromelalgia

BillableValid for claims as a specific diagnosis code

About I73.81

Code
I73.81
Billable
Yes
Short description
Erythromelalgia
Category
I73 Other peripheral vascular diseases
Block
I70-I79 Diseases of arteries, arterioles and capillaries
Chapter
9 Diseases of the circulatory system
Code set
FY2027, October 1, 2026 to September 30, 2027
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Coding notes for I73.81

No notes of its own; the notes below apply from the codes above it.

Also applies, from I73.8 Other specified peripheral vascular diseases

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • diabetic (peripheral) angiopathy (E08-E13 with .51-.52)

Also applies, from I73 Other peripheral vascular diseases

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

Chapter 9 notes (apply to every code in it)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Related codes in I73.8

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ICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.