ICD-10 A50.32
Billable / Specific CCLate congenital syphilitic chorioretinitis
About ICD-10-CM A50.32
ICD-10-CM code A50.32 represents Late congenital syphilitic chorioretinitis. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A50). The 2026 edition of ICD-10-CM A50.32 became effective on October 1, 2025.
Coding Tips for A50.32
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
A50.32 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Late congenital syphilitic chorioretinitis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for A50.32
Local Coverage Determinations (LCDs) from CMS MACs that list A50.32 as a covered diagnosis.
Showing top 10 of 28 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing A50.32.
1 Medicare
CPT Codes Commonly Billed with A50.32
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 70491 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70487 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70490 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70481 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70480 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70482 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70486 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70557 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70488 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
- 70558 CMS LCD: Billing and Coding: MRI and CT Scans of the Head and Neck CMS LCD
Convert A50.32 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 |
|---|---|---|
| A50.32 | 0905 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A50.32
Other codes in section A50-A64 (Infections with a predominantly sexual mode of transmission).
ICD-10 A50.32, Billing FAQ
Is ICD-10 code A50.32 billable? +
Yes, A50.32 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is A50.32 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with A50.32? +
Procedures frequently paired with A50.32 include: 70491, 70487, 70490, 70481, 70480.
What ICD-9 codes does A50.32 map to? +
Per CMS GEMs, A50.32 maps to ICD-9 codes: 0905. 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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