Q & A

Could you please help clarify the correct use of the fifth digits 0 and 1 for the classification of diabetes in ICD-9-CM? When a patient is described by the physician to be NIDDM, Type II, and taking daily insulin, we code the patient as 250.00. The PRO, however, is referring these records and the codes are being changed to 250.01, insulin dependent. ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This short article addresses a coding question about diabetes mellitus classification in ICD-9-CM. It explains the topic at a high level, focusing on how physician documentation is used in determining the appropriate diabetes category and why the issue is frequently reviewed by coding auditors and reimbursement reviewers. The article is aimed at coders and compliance staff who need a quick clarification on this documentation-sensitive area.

Why This Topic Matters

Accurate diabetes coding can affect claim processing, audit outcomes, and consistency between physician documentation and coded data.

What You Will Learn

  • How the article frames a documentation-based diabetes coding question
  • Why physician wording matters in diabetes classification
  • Why insulin use alone may not be enough to determine the coding category being discussed
  • What type of review issue can arise when coded data is questioned by auditors or reviewers

Who Should Read This

  • Medical coders
  • Coding auditors
  • Compliance staff
  • Billing staff
  • Revenue cycle professionals

Codes Discussed

  • ICD-9-CM: 250.00
  • ICD-9-CM: 250.01

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