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Air Force · AFSC history

902X0 Medical Service

The Medical Service career ladder converted from AFSC 902X0 to the 4N0X1 family, including specialty variants 4N0X1A (Allergy & Immunization Technician) and 4N0X1B (Neurology Technician). The base code and these variants represent one conversion, not successive changes.

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Codes named in this history

Listed in today's directory

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Documented history

Medical Service

The report dates the conversion to November 1993, with no exact day stated. February 2000 is the report's publication date, not the conversion date.

Source extraction notes

The report states that the Medical Service career ladder was created in November 1993 with conversion from 902X0 to the printed family pattern 4N0X1/A/B. This entry records the base-code form 4N0X1; the full-pattern entry describes the same change, not another conversion. No exact day is stated. The prior 31 October 1993 assertion was not supported by the cited report.

Source documents (2)

Reviewed September 23, 2026 against reference 2.

Title not stated in source

AFSC 902X0 was converted to AFSC 4N0X1/A/B, creating the Medical Service career ladder. Its two specialized designations were 4N0X1A, Allergy & Immunization Technician, and 4N0X1B, Neurology Technician.

The conversion occurred in November 1993; no exact day is stated. February 2000 is the survey's publication date, not the conversion date.

Source extraction notes

Effective month is stated, but no exact day; source pattern is preserved where present.

Source documents (1)

Reviewed September 23, 2026 against reference 2.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.