Respiratory, Developmental, Rehabilitative and Restorative Service Providers / 224ZL0004X
Individual · specialization
224ZL0004X Low Vision Occupational Therapy Assistant
224ZL0004X is the taxonomy code for Low Vision, a specialization of Occupational Therapy Assistant, in the NUCC group “Respiratory, Developmental, Rehabilitative and Restorative Service Providers”. It is a code for individual providers — the kind used on a Type 1 NPI. It has no entry in the CMS Medicare taxonomy crosswalk.
- 1Taxonomy code 224ZL0004X
- 2Level Specialization
- 3Medicare specialty Not in the crosswalk
- 4Codes in this group 82
Definition
Occupational therapy assistants contribute to the completion of an individualized occupational therapy low-vision evaluation under the direction and supervision of the occupational therapist to identify factors that may facilitate, compensate for, or inhibit use of vision in occupational performance. Clients are engaged in the identification of strengths, limitations, and goals as they relate to low vision to optimize independence and participation in desired occupations. Occupational therapy assistants also contribute to the development and implementation of an individualized occupational therapy low-vision intervention plan in collaboration with the occupational therapist, client, and relevant others that reflects the client's priorities for occupational performance.
— NUCC Health Care Provider Taxonomy, version 26.1
Where 224ZL0004X sits
- Group: Respiratory, Developmental, Rehabilitative and Restorative Service Providers — code 27 of 82 in the group
- Classification: Occupational Therapy Assistant 224Z00000X
- Specialization: Low Vision 224ZL0004X
Choose 224ZL0004X over the general Occupational Therapy Assistant code (224Z00000X) when the provider's training or certification is specifically in low vision; the general code covers the classification as a whole. A provider may report more than one taxonomy code on an NPI but marks one as primary.
Medicare
224ZL0004X has no entry in the CMS Medicare Provider and Supplier Taxonomy Crosswalk. That usually means Medicare does not enroll this kind of provider under its own specialty — the provider can still hold an NPI and use this code on claims to other payers.
Related codes
| Code | Occupational Therapy Assistant — other specializations |
|---|---|
| 224ZR0403X | Driving and Community Mobility |
| 224ZE0001X | Environmental Modification |
| 224ZF0002X | Feeding, Eating & Swallowing |
The nearest 3 of 4 other codes under Occupational Therapy Assistant; all are on the group page.
History of 224ZL0004X
224ZL0004X was added to the code set in 2008.
- 2008-07-01 — new
Similar codes in other groups
If 224ZL0004X is not quite right, these codes in other groups share a word with it — often the same field practised by a different kind of provider:
- 152WL0500X Low Vision Rehabilitation Optometrist (Eye and Vision Services Providers)
- 152WX0102X Occupational Vision Optometrist (Eye and Vision Services Providers)
- 152WS0006X Sports Vision Optometrist (Eye and Vision Services Providers)
- 152WV0400X Vision Therapy Optometrist (Eye and Vision Services Providers)
Find providers with 224ZL0004X
Using 224ZL0004X
The code goes in the taxonomy field of the NPI application in NPPES, and on claims where a payer asks for it — box 24J (shaded) or 33b on the CMS-1500 with the ZZ qualifier, or the PRV segment of an 837 electronic claim. Payers match it against the taxonomy on the NPI record and, for Medicare, against the specialty on the enrollment, so all three should agree. To see which code a provider uses, search their NPI in the lookup.
Sources: NUCC Health Care Provider Taxonomy code set, version 26.1 (CSV). Checked 2026-10-24. Methodology.