CPT 0105U: ICD-10 codes that support medical necessity
These ICD-10-CM diagnoses support medical necessity for CPT 0105U under Medicare coverage policies (LCDs, NCDs, and Billing & Coding articles). Billing CPT 0105U with a diagnosis that isn't covered typically denies as CARC 50 — not medically necessary.
National approximation. Coverage varies by MAC and state — confirm against the specific LCD/NCD and article that applies to your jurisdiction and date of service.
| ICD-10 | Description |
|---|---|
| E08.21 | Diabetes mellitus due to underlying condition with diabetic nephropathy |
| E08.22 | Diabetes mellitus due to underlying condition with diabetic chronic kidney disease |
| E08.29 | Diabetes mellitus due to underlying condition with other diabetic kidney complication |
| E08.649 | Diabetes mellitus due to underlying condition with hypoglycemia without coma |
| E08.65 | Diabetes mellitus due to underlying condition with hyperglycemia |
| E11.21 | Type 2 diabetes mellitus with diabetic nephropathy |
| E11.22 | Type 2 diabetes mellitus with diabetic chronic kidney disease |
| E11.29 | Type 2 diabetes mellitus with other diabetic kidney complication |
| E11.649 | Type 2 diabetes mellitus with hypoglycemia without coma |
| E11.65 | Type 2 diabetes mellitus with hyperglycemia |
| E13.21 | Other specified diabetes mellitus with diabetic nephropathy |
| E13.22 | Other specified diabetes mellitus with diabetic chronic kidney disease |
| E13.29 | Other specified diabetes mellitus with other diabetic kidney complication |
| E13.649 | Other specified diabetes mellitus with hypoglycemia without coma |
| E13.65 | Other specified diabetes mellitus with hyperglycemia |
| N18.1 | Chronic kidney disease, stage 1 |
| N18.2 | Chronic kidney disease, stage 2 (mild) |
| N18.31 | Chronic kidney disease, stage 3a |
| N18.32 | Chronic kidney disease, stage 3b |
Frequently asked questions
Which ICD-10 codes support medical necessity for CPT 0105U?
Medicare coverage policies (LCDs/NCDs and Billing & Coding articles) list 19 ICD-10 diagnosis codes that support medical necessity for CPT 0105U. The covered codes are listed on this page. Coverage varies by MAC/state — always confirm against the policy that applies to you.
What is a medical-necessity (LCD/NCD) crosswalk?
A claim whose procedure isn't supported by a covered diagnosis denies as "not medically necessary" (CARC 50). CMS coverage policies define which diagnoses justify a procedure; this page is the ICD-10 → CPT 0105U view of that relationship.
More free billing tools: all crosswalks · NCCI edits · Medicare fees · denial codes
Informational only, not coding, billing, or legal advice. Based on CMS Medicare Coverage Database data; verify the current LCD/NCD for your MAC before billing.
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