I88.1 ICD-10-CA code: Chronic lymphadenitis, except mesenteric
I88.1 is the ICD-10-CA code for “Chronic lymphadenitis, except mesenteric” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
I88.1Chronic lymphadenitis, except mesenteric
Short description: Chronic lymphadenitis except mesenteric
ICD-10-CA · Canada · Also written I881
Index terms
Entries in CIHI’s alphabetical index that lead to I88.1. Searching the index by the condition the note names is how coders reach this code.
- Lymphadenitis, chronic
- Adenitis, chronic, unspecified site
- Adenitis, groin, chronic or subacute
- Adenitis, subacute, unspecified site
- Adenitis, axillary, chronic or subacute
- Adenitis, cervical, chronic or subacute
- Adenitis, inguinal, chronic or subacute
- Lymphadenitis, subacute, unspecified site
- Lymphadenitis, chronic, nonspecific, specified site NEC
- Adenitis, lymph gland or node, except mesenteric, chronic or subacute
Notes for I88.1
As CIHI prints them, with any note I88.1 takes from the headings above it.
Includes
- Adenitis, Lymphadenitis — chronic, any lymph node except mesenteric
Excludes
Conditions classified elsewhere.
- Acute lymphadenitis, except mesenteric (L04.-)enlarged lymph nodes NOS (R59.-)human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B24)From I88 Nonspecific lymphadenitis
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)
Where I88.1 sits
- 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
- 2Block I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
- 3Category I88Nonspecific lymphadenitis
- 4Valid code I88.1Chronic lymphadenitis, except mesenteric
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code I88.1 mean?
I88.1 is the ICD-10-CA code for “Chronic lymphadenitis, except mesenteric” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is I88.1 in ICD-10-CA?
I88.1 sits under I88 Nonspecific lymphadenitis, within I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified, within Chapter 9: Diseases of the circulatory system (I00-I99).
What coding notes apply to I88.1?
ICD-10-CA lists Includes, Excludes notes for I88.1, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.