	Ref	Id	Element Name	Req	Type	Min/Max	Usage
	GS01	479	Functional Identifier Code Description: Code identifying a group of application related transaction sets	M	ID	2/2	Required

	Code	Name
	BE	Benefit Enrollment and Maintenance (834)
	FA	Functional Acknowledgment (997)
	HB	Eligibility, Coverage or Benefit Information (271)
	HC	Health Care Claim (837)
	HI	Health Care Services Review Information (278)
	HN	Health Care Claim Status Notification (277)
	HP	Health Care Claim Payment/Advice (835)
	HR	Health Care Claim Status Request (276)
	HS	Eligibility, Coverage or Benefit Inquiry (270)
	RA	Payment Order/Remittance Advice (820)

GS02	142	Application Sender's Code Description: Code identifying party sending transmission; codes agreed to by trading partners Use this code to identify the unit sending the information.	M	AN	2/15	Required
GS03	124	Application Receiver's Code Description: Code identifying party receiving transmission; codes agreed to by trading partners Use this code to identify the unit receiving the information.	M	AN	2/15	Required
GS04	373	Date Description: Date expressed as CCYYMMDD Use this date for the functional group creation date.	M	DT	8/8	Required
GS05	337	Time Description: Time expressed in 24-hour clock time as follows: HHMM, or HHMMSS, or HHMMSSD, or HHMMSSDD, where H = hours (00-23), M = minutes (00-59), S = integer seconds (00-59) and DD = decimal seconds; decimal seconds are expressed as follows: D = tenths (0-9) and DD = hundredths (00-99) Use this time for the creation time. The recommended format is HHMM.	M	TM	4/8	Required
GS06	28	Group Control Number Description: Assigned number originated and maintained by the sender	M	N0	1/9	Required
GS07	455	Responsible Agency Code Description: Code identifying the issuer of the standard; this code is used in conjunction with Data Element 480	M	ID	1/2	Required

GS08

480

Version / Release / Industry Identifier Code
Description: Code indicating the version, release, subrelease, and industry identifier of the EDI standard being used, including the GS and GE segments; if code in DE455 in GS segment is X, then in DE 480 positions 1-3 are the version number; positions 4-6 are the release and subrelease, level of the version; and positions 7-12 are the industry or trade association identifiers (optionally assigned by user); if code in DE455 in GS segment is T, then other formats are allowed

1/12

Required

	Code	Name
	004010	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997
	004010X061A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X091A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X092A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X093A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X094A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X095A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X096A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X097A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.
	004010X098A1	Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997, as published in this implementation guide.

1.	GS04 is the group date.
2.	GS05 is the group time.
3.	The data interchange control number GS06 in this header must be identical to the same data element in the associated functional group trailer, GE02.