Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
approval code
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "approval code" is correct and usable in written English.
It can be used when referring to a specific code that grants permission or authorization for a transaction or process. Example: "Please enter the approval code to finalize your purchase."
✓ Grammatically correct
Science
News & Media
Formal & Business
Academia
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
22 human-written examples
This study was approved by the University of Minnesota Human Subjects Protection Program (approval code number 1101 M94834) and a waiver of informed consent for data abstraction was granted for patients admitted to the open 23-bed medical-surgical-neuroscience ICU at the Fairview-Southdale Hospital.
Science
Animal protocols were approved by the Texas State Institutional Animal Care and Use Committee (approval code: 0902_0127_02).
Science
This study was approved by the Ethical Committee of the University of Tokyo (approval code 14-1) and the Ethical Committee of St . Marianna University School of Medicine
This study was approved by the Bogomolets National Medical University ethics committee (approval code number 84).
Science
The application was brought before the School of Psychology and Neuroscience Ethics Committee, which acts on behalf of the University of St Andrews Teaching and Research Ethics Committee (UTREC), and was approved on 11th October 2016, with the approval code PS12383.
Science
Protocols for the animal experiments and care were approved by the Institutional Review Board of the University of Tokyo (approval code: P07 084).
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
The study protocol and patient consent forms were reviewed, and approved by both committees with ethical approval codes as NMIMR-IRB CPN 044/10-11 and CHRPE/AP/022/12 respectively.
After obtaining the relevant institutional review board approval (approval codes: 2009-P-001852/2, MAPI-10-242, B-F-2010-033, 09/2295), qualitative patient interviews were conducted to evaluate the content validity of the LPH.
Click on the "Edit" button for App Passwords if you want to generate and use special passwords to log into your apps instead of using your Facebook password or Login Approval codes.
Wiki
Facebook will then send a message to the e-mail associated with your Facebook account asking you again to send a description of the issue and a picture of a government-issued ID. A. You will notice that in this e-mail that, in contrast to what the Login Approvals Code Issues page provide, Facebook allows alternative forms of identification to be used in case there you have no government IDs.
Wiki
The study was approved by the UCL Research Ethics Committee for fMRI-studies with performance-dependent payment (Approval-Code: 3450 002) and written informed consent was secured from all participants.
Science
Expert writing Tips
Best practice
When requesting an "approval code", clearly specify what the code is for and how it will be used to prevent misuse or confusion.
Common error
Avoid assuming an "approval code" grants universal permission. Always verify the specific context and limitations associated with the code's authorization.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "approval code" primarily functions as a noun phrase. It identifies a specific code used to grant permission or authorization. As confirmed by Ludwig AI, this usage is correct and common in various contexts.
Frequent in
Science
35%
News & Media
23%
Academia
19%
Less common in
Formal & Business
15%
Wiki
8%
Reference
0%
Ludwig's WRAP-UP
The phrase "approval code" is a commonly used noun phrase to describe a specific code that grants permission or authorization. As indicated by Ludwig AI, its usage is grammatically correct and contextually versatile. It's prevalent in scientific, news, and academic domains, reflecting its wide applicability. While alternatives like "authorization code" or "permission code" exist, the specific choice depends on the nuance required. When using "approval code", ensure clarity regarding its purpose and limitations to prevent potential misunderstandings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
authorization code
Replaces "approval" with "authorization", emphasizing the act of authorizing something.
permission code
Substitutes "approval" with "permission", highlighting the granting of permission.
access code
Focuses on the code's function of granting access to something specific.
validation code
Emphasizes the code's role in validating or confirming a process.
clearance code
Highlights the code's purpose in providing clearance or authorization.
authentication code
Stresses the code's use for authenticating or verifying identity.
authorization key
Replaces "code" with "key", suggesting a digital or cryptographic means of authorization.
permission key
Similar to authorization key but uses the word 'permission' instead of 'authorization'.
validation key
Emphasizes the 'validation' aspect of a code.
approval number
Replaces "code" with "number", indicating a numerical identifier.
FAQs
How do I use "approval code" in a sentence?
You can use "approval code" to refer to a code required for authorization, as in "Please enter the "approval code" to proceed" or "The study was approved by the ethics committee (approval code 14-1)".
What can I say instead of "approval code"?
You can use alternatives like "authorization code", "permission code", or "access code" depending on the context.
Is "approval code" the same as "authorization code"?
While similar, "authorization code" often refers to codes used for financial transactions or system access, while "approval code" can have a broader application, including ethical or procedural approvals.
What's the difference between "approval code" and "validation code"?
"Validation code" typically confirms information or a user's identity, while "approval code" grants permission for a specific action or process. The former verifies; the latter authorizes.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested