<SEC-DOCUMENT>0001193125-19-013873-index.html : 20190122
<SEC-HEADER>0001193125-19-013873.hdr.sgml : 20190122
<ACCEPTANCE-DATETIME>20190122141235
ACCESSION NUMBER:		0001193125-19-013873
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		26
CONFORMED PERIOD OF REPORT:	20181130
FILED AS OF DATE:		20190122
DATE AS OF CHANGE:		20190122
EFFECTIVENESS DATE:		20190122

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS INTERMEDIATE HIGH INCOME FUND
		CENTRAL INDEX KEY:			0000833021
		IRS NUMBER:				046593681
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05567
		FILM NUMBER:		19535157

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		6179545000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL INTERMEDIATE HIGH INCOME FUND
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d662541dncsr.htm
<DESCRIPTION>MFS INTERMEDIATE HIGH INCOME FUND N-CSR
<TEXT>
Document 1 - file: d662541dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(12)(A)(1)
<SEQUENCE>2
<FILENAME>d662541dex9912a1.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 2 - file: d662541dex9912a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>d662541dex99cert.htm
<DESCRIPTION>SECTION 302 CERTIFICATIONS
<TEXT>
Document 3 - file: d662541dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>4
<FILENAME>d662541dex99906cert.htm
<DESCRIPTION>SECTION 906 CERTIFICATIONS
<TEXT>
Document 4 - file: d662541dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>5
<FILENAME>d662541dex99proxypol.htm
<DESCRIPTION>MFS PROXY VOTING POLICES AND PROCEDURES
<TEXT>
Document 5 - file: d662541dex99proxypol.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(19)(A)(1)
<SEQUENCE>6
<FILENAME>d662541dex9919a1.htm
<DESCRIPTION>NOTICE TO SHAREHOLDERS - SOURCE OF DISTRIBUTION
<TEXT>
Document 6 - file: d662541dex9919a1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g662541ernst_youngllp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g662541ernst_youngllp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g662541g0117052535478.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g662541g0117052535478.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g662541g0117052738985.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g662541g0117052738985.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g662541g0117052936782.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g662541g0117052936782.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g662541g0117053241877.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g662541g0117053241877.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g662541g0117053422825.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g662541g0117053422825.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g662541g0117053642961.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g662541g0117053642961.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g662541g0117053811600.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g662541g0117053811600.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g662541g0117053943111.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g662541g0117053943111.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g662541g0117054102515.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g662541g0117054102515.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g662541g0117054233510.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g662541g0117054233510.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g662541g0117054358437.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g662541g0117054358437.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g662541g0117054522475.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g662541g0117054522475.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g662541g0117092644346.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g662541g0117092644346.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g662541g17m13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g662541g17m13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g662541g44d89.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g662541g44d89.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g662541g67p04.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g662541g67p04.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g662541g72s28.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g662541g72s28.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g662541manning_photo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g662541manning_photo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g662541manning_sig.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g662541manning_sig.jpg

</DOCUMENT>
</SEC-DOCUMENT>