ICD-10 E71.43
Billable / Specific HCC v28: 23Iatrogenic carnitine deficiency
About ICD-10-CM E71.43
ICD-10-CM code E71.43 represents Iatrogenic carnitine deficiency. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E71). The 2026 edition of ICD-10-CM E71.43 became effective on October 1, 2025.
Coding Tips for E71.43
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
E71.43 is a CMS-HCC v28 risk-adjustment code (category 23). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under E71.43. Per CMS ICD-10-CM Tabular 2026.
- Carnitine deficiency due to hemodialysis
- Carnitine deficiency due to Valproic acid therapy
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for E71.43
Local Coverage Determinations (LCDs) from CMS MACs that list E71.43 as a covered diagnosis.
Showing top 10 of 76 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E71.43.
1 Aetna
1 Cigna
3 Medicare
CPT Codes Commonly Billed with E71.43
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert E71.43 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| E71.43 | 27783 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E71.43
Other codes in section E70-E88 (Metabolic disorders).
ICD-10 E71.43, Billing FAQ
Is ICD-10 code E71.43 billable? +
Yes, E71.43 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to E71.43? +
ICD-10 E71.43 includes: Carnitine deficiency due to hemodialysis; Carnitine deficiency due to Valproic acid therapy.
Does E71.43 affect Medicare Advantage HCC risk adjustment? +
Yes. E71.43 maps to CMS-HCC v28 category 23. Capture this diagnosis annually for accurate Medicare Advantage risk score.
What ICD-9 codes does E71.43 map to? +
Per CMS GEMs, E71.43 maps to ICD-9 codes: 27783. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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