ICD-10 Q82.2
Billable / SpecificCongenital cutaneous mastocytosis
About ICD-10-CM Q82.2
ICD-10-CM code Q82.2 represents Congenital cutaneous mastocytosis. This is a billable/specific code in the Congenital Malformations chapter (block Q82). The 2026 edition of ICD-10-CM Q82.2 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Q82.2. Per CMS ICD-10-CM Tabular 2026.
- Congenital diffuse cutaneous mastocytosis
- Congenital maculopapular cutaneous mastocytosis
- Congenital urticaria pigmentosa
Type 1 Excludes
Pure excludes, these codes can never be coded together with Q82.2. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- cutaneous mastocytosis NOS (D47.01)
- diffuse cutaneous mastocytosis (with onset after newborn period) (D47.01)
- malignant mastocytosis (C96.2-)
- systemic mastocytosis (D47.02)
- urticaria pigmentosa (non-congenital) (with onset after newborn period) (D47.01)
Medicare LCD Coverage for Q82.2
Local Coverage Determinations (LCDs) from CMS MACs that list Q82.2 as a covered diagnosis.
Showing top 10 of 60 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Q82.2.
5 Medicare
1 Aetna
CPT Codes Commonly Billed with Q82.2
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 Q82.2 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 |
|---|---|---|
| Q82.2 | 75733 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Q82.2
Other codes in section Q80-Q89 (Other congenital malformations).
ICD-10 Q82.2, Billing FAQ
Is ICD-10 code Q82.2 billable? +
Yes, Q82.2 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 Q82.2? +
ICD-10 Q82.2 includes: Congenital diffuse cutaneous mastocytosis; Congenital maculopapular cutaneous mastocytosis; Congenital urticaria pigmentosa.
What codes are Type 1 Excludes for Q82.2? +
Type 1 Excludes (never code together with Q82.2): cutaneous mastocytosis NOS (D47.01); diffuse cutaneous mastocytosis (with onset after newborn period) (D47.01); malignant mastocytosis (C96.2-)
What ICD-9 codes does Q82.2 map to? +
Per CMS GEMs, Q82.2 maps to ICD-9 codes: 75733. 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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