ICD-10 Z13.29
Billable / SpecificEncounter for screening for other suspected endocrine disorder
About ICD-10-CM Z13.29
ICD-10-CM code Z13.29 represents Encounter for screening for other suspected endocrine disorder. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z13). The 2026 edition of ICD-10-CM Z13.29 became effective on October 1, 2025.
Type 2 Excludes
Not included here, the excluded code is not part of Z13.29, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- encounter for screening for diabetes mellitus (Z13.1)
Medicare LCD Coverage for Z13.29
Local Coverage Determinations (LCDs) from CMS MACs that list Z13.29 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z13.29.
1 Cigna
CPT Codes Commonly Billed with Z13.29
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 84443 TSH — hypothyroidism, hyperthyroidism, thyroiditis, weight loss, weight gain, post-surgical hypothyroidism, fatigue, routine exam, screening Laboratory
Convert Z13.29 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 |
|---|---|---|
| Z13.29 | V770 | 10000 |
| Z13.29 | V7799 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z13.29
Other codes in section Z00-Z13 (Persons encountering health services for examinations).
ICD-10 Z13.29, Billing FAQ
Is ICD-10 code Z13.29 billable? +
Yes, Z13.29 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 2 Excludes for Z13.29? +
Type 2 Excludes (may be coded together when both conditions exist): encounter for screening for diabetes mellitus (Z13.1)
What CPT codes are commonly billed with Z13.29? +
Procedures frequently paired with Z13.29 include: 84443.
What ICD-9 codes does Z13.29 map to? +
Per CMS GEMs, Z13.29 maps to ICD-9 codes: V770, V7799. 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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