ICD-10 E01.8
Billable / SpecificOther iodine-deficiency related thyroid disorders and allied conditions
About ICD-10-CM E01.8
ICD-10-CM code E01.8 represents Other iodine-deficiency related thyroid disorders and allied conditions. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E01). The 2026 edition of ICD-10-CM E01.8 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under E01.8. Per CMS ICD-10-CM Tabular 2026.
- Acquired iodine-deficiency hypothyroidism NOS
Medicare LCD Coverage for E01.8
Local Coverage Determinations (LCDs) from CMS MACs that list E01.8 as a covered diagnosis.
Showing top 10 of 53 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing E01.8.
2 Cigna
2 Medicare
1 Aetna
CPT Codes Commonly Billed with E01.8
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 01782 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 01999 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 01829 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 00400 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 01922 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 00731 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 00635 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 00322 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 00921 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
- 01991 CMS LCD: Billing and Coding: Monitored Anesthesia Care CMS LCD
Convert E01.8 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 |
|---|---|---|
| E01.8 | 2448 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To E01.8
Other codes in section E00-E07 (Disorders of thyroid gland).
ICD-10 E01.8, Billing FAQ
Is ICD-10 code E01.8 billable? +
Yes, E01.8 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 E01.8? +
ICD-10 E01.8 includes: Acquired iodine-deficiency hypothyroidism NOS.
What CPT codes are commonly billed with E01.8? +
Procedures frequently paired with E01.8 include: 01782, 01999, 01829, 00400, 01922.
What ICD-9 codes does E01.8 map to? +
Per CMS GEMs, E01.8 maps to ICD-9 codes: 2448. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team