ICD-10 Q89.2
Billable / SpecificCongenital malformations of other endocrine glands
About ICD-10-CM Q89.2
ICD-10-CM code Q89.2 represents Congenital malformations of other endocrine glands. This is a billable/specific code in the Congenital Malformations chapter (block Q89). The 2026 edition of ICD-10-CM Q89.2 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q89.2. Per CMS ICD-10-CM Tabular 2026.
- Congenital malformation of parathyroid or thyroid gland
- Persistent thyroglossal duct
- Thyroglossal cyst
Type 1 Excludes
Pure excludes, these codes can never be coded together with Q89.2. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- congenital goiter (E03.0)
- congenital hypothyroidism (E03.1)
Medicare LCD Coverage for Q89.2
Local Coverage Determinations (LCDs) from CMS MACs that list Q89.2 as a covered diagnosis.
Showing top 1. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Q89.2.
1 Medicare
2 Aetna
CPT Codes Commonly Billed with Q89.2
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 Q89.2 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 |
|---|---|---|
| Q89.2 | 7592 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q89.2
Other codes in section Q80-Q89 (Other congenital malformations).
ICD-10 Q89.2, Billing FAQ
Is ICD-10 code Q89.2 billable? +
Yes, Q89.2 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 Q89.2? +
ICD-10 Q89.2 includes: Congenital malformation of parathyroid or thyroid gland; Persistent thyroglossal duct; Thyroglossal cyst.
What codes are Type 1 Excludes for Q89.2? +
Type 1 Excludes (never code together with Q89.2): congenital goiter (E03.0); congenital hypothyroidism (E03.1)
What ICD-9 codes does Q89.2 map to? +
Per CMS GEMs, Q89.2 maps to ICD-9 codes: 7592. 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 June 2, 2026.
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