Glossary entry (derived from question below)
English term
F
CMRN:
RIS Procedure ID:
DOBFAgeFSex:20-OCT-2008 F 12 F M
Exam F Date/Time: XR Hand Complete Right F 18-JAN-2021
12:20 AM
Contrast Media/Injected/Reaction:
Patient type:
| 4 +1 | field |
Diya Takrouri
|
| 5 | أصابع القدم |
ahmed badawy
|
| 3 | معبأ |
Fathy Shehatto
|
| 3 | كسر العظم |
Milena Atanasova
|
Feb 22, 2021 10:24: Diya Takrouri Created KOG entry
Proposed translations
Türkiye
Linguist Ar ⇋ En | 29 years’ Experience
Native in: Arabic (Variants: UAE, Egyptian, Palestinian, Saudi , Jordanian, Lebanese, Iraqi, Syrian, Standard-Arabian (MSA), Yemeni) 
Works in: Arabic to English, English to Arabic
field
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Note added at 1 hr (2021-02-10 13:50:36 GMT)
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I forgot to add that this kind of abbreviation is sometimes used in scripting, i.e. files written in simple text format and linked with a database file or used in programming to be read automatically by the associated applications/software/programs. Equally, it can be the output script files generated by a database application/ software/program. Hence, to reflect the abbreviation in the translation one can use the Arabic letter ” ح” for "حقل"; provided that that end-user is familiar with such abbreviation, or the translator can provide a note into this effect.
Egypt
Helping Clinical Researchers Save Lives
Native in: Arabic (Variant: Egyptian)
Works in: English to Arabic, Arabic to English
معبأ
Bulgaria
AR>EN, AR>BG, EN>BG
Native in: Bulgarian
Works in: English to Bulgarian, Arabic to Bulgarian, Arabic to English
كسر العظم
Egypt
Five years experience in legal translat.
Native in: Arabic (Variants: Syrian, Standard-Arabian (MSA), Iraqi, Lebanese, Sudanese, UAE, Egyptian, Kuwaiti, Saudi , Tunisian, Yemeni, Jordanian, Palestinian) 
Works in: German to Arabic, Arabic to German, English to Arabic, and 2 more.
Discussion
To the asker: if you selected text from an excel table, this F could be the name of the column. It appears too many times, in different contexts (type of test, date of birth, etc.) to mean one and the same thing.
If the document was scanned, it might even be some symbol or logo. Diya Takrouri mentions other possibilities too.