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SAP MM Transaction Codes List (Searchable T-Code Reference)

SAP MM has hundreds of transaction codes but a working consultant, buyer or key user lives in about sixty of them. This searchable list groups the daily ones by process so you can find the right T-code without trawling SAP Easy Access.

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T-code	Area	What it does	Note
ME51N	Requisition	Create purchase requisition	Fiori: Create Purchase Requisition
ME52N	Requisition	Change purchase requisition
ME53N	Requisition	Display purchase requisition
ME54N	Requisition	Release (approve) purchase requisition	Used with a requisition release strategy
ME5A	Requisition	List display of purchase requisitions
ME57	Requisition	Assign and process requisitions	Assign a source before ordering
ME59N	Requisition	Automatic generation of POs from requisitions	Needs source of supply and auto PO flag
ME21N	Purchase order	Create purchase order	Fiori: Manage Purchase Orders
ME22N	Purchase order	Change purchase order
ME23N	Purchase order	Display purchase order
ME29N	Purchase order	Release purchase order	Individual release for a PO release strategy
ME28	Purchase order	Release purchase orders collectively
ME2M	PO reporting	Purchase orders by material	Selection by scope of list
ME2L	PO reporting	Purchase orders by vendor
ME2N	PO reporting	Purchase orders by PO number
ME80FN	PO reporting	General analysis of purchasing documents	ALV based, flexible selection
ME2O	Subcontracting	Subcontracting stock monitoring	Components provided to the vendor
ME31K	Outline agreement	Create contract
ME32K	Outline agreement	Change contract
ME33K	Outline agreement	Display contract
ME31L	Outline agreement	Create scheduling agreement
ME41	Sourcing	Create request for quotation
ME47	Sourcing	Maintain quotation
ME49	Sourcing	Price comparison list	Compares quotations for an RFQ
ME01	Sourcing	Maintain source list	Table EORD
ME03	Sourcing	Display source list
ME11	Info record	Create purchasing info record	Tables EINA and EINE
ME12	Info record	Change purchasing info record
ME13	Info record	Display purchasing info record
MM01	Material master	Create material	S/4HANA: material number up to 40 characters
MM02	Material master	Change material
MM03	Material master	Display material
MM60	Material master	Material list
MMSC	Material master	Create storage location for a material in one step	Collective creation of storage location views
MIGO	Inventory	Goods movement: goods receipt, goods issue, transfer posting	Replaces the older MB01, MB1A, MB1B, MB1C
MMBE	Inventory	Stock overview for a material	Plant, storage location, batch, special stock
MB51	Inventory	Material document list	Reads material documents
MB52	Inventory	Warehouse stocks of material	Includes valuated stock value
MB5B	Inventory	Stocks for posting date	Historical stock on a past date
MB03	Inventory	Display material document
MI01	Physical inventory	Create physical inventory document
MI04	Physical inventory	Enter inventory count with document reference
MI07	Physical inventory	Post inventory differences	Posts differences to stock and accounting
MI20	Physical inventory	List of inventory differences	Review before MI07
MIBC	Physical inventory	ABC analysis for cycle counting	Assigns cycle counting indicators
MIRO	Invoice verification	Enter incoming invoice	Logistics invoice verification
MIR7	Invoice verification	Park invoice	Save without posting
MIR4	Invoice verification	Display invoice document	Tables RBKP and RSEG
MIR6	Invoice verification	Invoice overview
MR8M	Invoice verification	Cancel invoice document
MRBR	Invoice verification	Release blocked invoices	Invoices blocked by tolerance or manual block
MR11	Invoice verification	GR/IR account maintenance	Clears GR/IR differences
MRKO	Invoice verification	Consignment and pipeline settlement
MD01N	MRP	MRP Live run (total planning)	HANA optimized; MD01 is the classic run
MD02	MRP	Single-item, multi-level planning
MD03	MRP	Single-item, single-level planning
MD04	MRP	Stock/requirements list	Current view of supply and demand
MD05	MRP	MRP list	Result of the last MRP run
MD06	MRP	MRP list collective display
MD07	MRP	Stock/requirements list collective display
MD61	MRP	Create planned independent requirements
MMPV	Period close	Close period for materials	Sets the posting period for inventory
OMJJ	Customizing	Customize movement types	Movement types are table T156

Search by code or keyword. Availability differs by release: several classic transactions are replaced by Fiori apps or marked obsolete in S/4HANA, so confirm in your own system with SE93 or the SAP Fiori apps reference library.

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How to use the list

Type a code, a keyword such as 'invoice' or 'source list', or an area name into the search box and the table filters instantly. Rows are grouped by process: requisition, purchase order, outline agreements, sourcing, info records, material master, inventory, physical inventory, invoice verification, MRP and period close. Use the export buttons to take a trimmed copy into Excel or PDF for a team cheat sheet or a role-specific training pack.

Search by T-code, keyword or area
Note column flags tables and S/4HANA differences
Export the filtered view for training handouts

S/4HANA differences worth knowing

S/4HANA keeps most MM transactions but changes what sits underneath them. Material documents are stored in table MATDOC, with MKPF and MSEG kept as compatibility views. MD01N (MRP Live) runs on HANA and is the recommended planning run, though classic MD01 remains. Vendors are maintained as business partners through transaction BP, not XK01. Many classic goods movement transactions such as MB1A, MB1B and MB1C are obsolete in favor of MIGO, and Fiori apps now cover much daily buyer work.

Common mistakes

People still memorize old codes and hit authorization errors because the role only grants the Fiori app or the newer transaction. Another frequent error is mixing the single-screen transactions with their older split versions: ME21N and ME21 behave differently, and ME21 is obsolete. Finally, report transactions such as ME2M, ME2L and ME2N show different selection screens for the same PO tables, so choose the one that matches how you search: by material, vendor or PO number.

Frequently Asked Questions

What is the difference between ME21N and ME21?

ME21N is the current single-screen purchase order transaction with header and item overview. ME21 was the older multi-screen version and is obsolete. ME22N and ME23N are the matching change and display transactions. In S/4HANA the Fiori app Manage Purchase Orders is also available.

Which T-code do I use to see stock for a material?

MMBE gives a stock overview by plant, storage location, batch and special stock. MB52 lists warehouse stocks with value and works well for many materials at once. For stock on a past date use MB5B. In S/4HANA the Fiori app Stock Multiple Materials is also common.

How do I find a transaction code I do not know?

Use SE93 to search the transaction directory by short text, or use the menu path search in SAP Easy Access. In a running screen, the System menu, Status entry shows the current program and transaction code. This list covers the daily MM set only.

Are all these transactions available in S/4HANA?

Most are, but some are obsolete or replaced by Fiori apps, and some behave differently in S/4HANA. For example material documents come from MATDOC and vendor maintenance moved to business partners. Check your release in SE93 and the Fiori apps reference library before standardizing training.

If your buyers still pull answers by running several of these transactions, we can put a read-only natural language layer over your SAP data that shows the query it ran. Ask us for a walkthrough.

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