DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

J36 diagnosis code · Billable category · FY2027

J36 Peritonsillar abscess

  • Billable
  • CC
  • POA reported

J36 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J30-J39 Other diseases of upper respiratory tract (J30-J39)
  3. J36 Peritonsillar abscess
CC / MCC
CC
MS-DRG
011-013, 152-153
HCC V28
–
POA
Reported
Code Editor
–
Index entries
16

Instructions

At J36

Includes

  • abscess of tonsil
  • peritonsillar cellulitis
  • quinsy

Excludes1

  • acute tonsillitis (J03.-) J03
  • chronic tonsillitis (J35.0) J35.0
  • retropharyngeal abscess (J39.0) J39.0
  • tonsillitis NOS (J03.9-) J03.9

Use additional code

  • code (B95-B97) to identify infectious agent. B95 B97

Notes that also apply

Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.

Index entries

  • Peritonsillitis → J36
  • Quinsy (gangrenous) → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)circumtonsillar → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)intratonsillar → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)peritonsillar → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)posttonsillar → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)tonsil(s) (lingual) → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)tonsillopharyngeal → J36
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)phlegmonous → J36
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor)tonsil → J36
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative)peritonsillar → J36
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative)tonsil → J36
  • Cynanchetonsillaris → J36
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)quinsy → J36
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)lingualtonsil → J36
  • Hemorrhage, hemorrhagic (concealed)peritonsillar tissuedue to infection → J36

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for J36
CC / MCCCC
PDX exclusion list0991 (9 codes)
Appendix BPre-MDC, MS-DRG 011-013 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC…); MDC 03 Diseases and Disorders of the Ear, Nose, Mouth and Throat, MS-DRG 152-153 (Otitis Media and URI with MCC…)
Code Editor–
POAReported
HCC V28–

CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy