Air Force · AFSC history

912X4 Allergy/Immunology

In 1981, the Medical Service career ladder incorporated an Allergy/Immunology specialization called the A-shred, coded 902X0A, created from AFSC 912X4.

Codes named in this history

Other history records

These source identifiers have archive pages. Their availability does not establish current service use or retirement.

Documented history

Allergy/Immunology

Personnel in the successor specialty performed allergy/immunology functions alongside basic medical service duties.

The change is dated to 1981, with no month or day specified. June 1, 1986 is the report's publication date, not the date of the change.

Source extraction notes

Source states the A-shred was created from 912X4 and then explicitly codes it 902X0A.

Source documents (1)

Reviewed September 23, 2026 against reference 1.

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