DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K22 Other diseases of esophagus

  • Header · not billable

K22 is not billable. The category heads 16 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)
  3. K22 Other diseases of esophagus
Billable codes
16
Subdivisions
10
CC / MCC codes
1 / 3
HCC V28 codes
0
New FY2027
0
Index entries
108

Codes in K22

  1. K22.0
    Achalasia of cardia
    Billable
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Achalasia NOS
    • Cardiospasm

    Excludes1

    • congenital cardiospasm (Q39.5) Q39.5
  2. K22.1
    Ulcer of esophagus
    Header
    Inclusion terms 7, Excludes1 1, Code first 1, Use additional code 1

    Inclusion terms

    • Barrett's ulcer
    • Erosion of esophagus
    • Fungal ulcer of esophagus
    • Peptic ulcer of esophagus
    • Ulcer of esophagus due to ingestion of chemicals
    • Ulcer of esophagus due to ingestion of drugs and medicaments
    • Ulcerative esophagitis

    Excludes1

    • Barrett's esophagus (K22.7-) K22.7

    Code first

    • poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) T36 T65

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  3. K22.10
    Ulcer of esophagus without bleeding
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Ulcer of esophagus NOS
  4. K22.11
    Ulcer of esophagus with bleeding
    BillableMCC
    Excludes2 1

    Excludes2

  5. K22.2
    Esophageal obstruction
    Billable
    Inclusion terms 4, Excludes1 1

    Inclusion terms

    • Compression of esophagus
    • Constriction of esophagus
    • Stenosis of esophagus
    • Stricture of esophagus

    Excludes1

    • congenital stenosis or stricture of esophagus (Q39.3) Q39.3
  6. K22.3
    Perforation of esophagus
    BillableMCC
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Rupture of esophagus

    Excludes1

    • traumatic perforation of (thoracic) esophagus (S27.8-) S27.8
  7. K22.4
    Dyskinesia of esophagus
    Billable
    Inclusion terms 3, Excludes1 1

    Inclusion terms

    • Corkscrew esophagus
    • Diffuse esophageal spasm
    • Spasm of esophagus

    Excludes1

    • cardiospasm (K22.0) K22.0
  8. K22.5
    Diverticulum of esophagus, acquired
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Esophageal pouch, acquired

    Excludes1

    • diverticulum of esophagus (congenital) (Q39.6) Q39.6
  9. K22.6
    Gastro-esophageal laceration-hemorrhage syndrome
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Mallory-Weiss syndrome
  10. K22.7
    Barrett's esophagus
    Header
    Inclusion terms 2, Excludes1 2

    Inclusion terms

    • Barrett's disease
    • Barrett's syndrome

    Excludes1

    • Barrett's ulcer (K22.1) K22.1
    • malignant neoplasm of esophagus (C15.-) C15
  11. K22.70
    Barrett's esophagus without dysplasia
    Billable
    Inclusion terms 1

    Inclusion terms

    • Barrett's esophagus NOS
  12. K22.71
    Barrett's esophagus with dysplasia
    Header
  13. K22.710
    Barrett's esophagus with low grade dysplasia
    Billable
  14. K22.711
    Barrett's esophagus with high grade dysplasia
    Billable
  15. K22.719
    Barrett's esophagus with dysplasia, unspecified
    Billable
  16. K22.8
    Other specified diseases of esophagus
    Header
    Excludes2 2

    Excludes2

    • esophageal varices (I85.-) I85
    • Paterson-Kelly syndrome (D50.1) D50.1
  17. K22.81
    Esophageal polyp
    Billable
    Excludes1 1

    Excludes1

    • benign neoplasm of esophagus (D13.0) D13.0
  18. K22.82
    Esophagogastric junction polyp
    Billable
    Excludes1 1

    Excludes1

    • benign neoplasm of stomach (D13.1) D13.1
  19. K22.89
    Other specified disease of esophagus
    Billable
    Inclusion terms 1

    Inclusion terms

    • Hemorrhage of esophagus NOS
  20. K22.9
    Disease of esophagus, unspecified
    Billable

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At K22

Excludes2

  • esophageal varices (I85.-) I85

Notes that also apply

Block K20-K31 instructions (Excludes2 1): printed on the block page.

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.

Index entries

  • Achalasia (cardia) (esophagus) → K22.0
  • Aperistalsis, esophagus → K22.0
  • Cardiospasm (esophagus) (reflex) (stomach) → K22.0
  • Megaesophagus (functional) → K22.0
  • Megaloesophagus (functional) → K22.0
  • Esophagostenosis → K22.2
  • Schatzki's ring (acquired) (esophagus) (lower) → K22.2
  • Boerhaave's syndrome (spontaneous esophageal rupture) → K22.3
  • Bársony (-Polgár) (-Teschendorf) syndrome (corkscrew esophagus) → K22.4
  • Corkscrew esophagus → K22.4
  • Curling esophagus → K22.4
  • Esophagismus → K22.4
  • Esophagospasm → K22.4
  • Nutcracker esophagus → K22.4
  • Esophagocele → K22.5
  • Zenker's diverticulum (esophagus) → K22.5
  • Gastroesophageal laceration- hemorrhage syndrome → K22.6
  • Mallory-Weiss syndrome → K22.6
  • Esophagomalacia → K22.89
  • Presbyesophagus → K22.89
  • Incompetency, incompetent, incompetenceesophagogastric (junction) (sphincter) → K22.0
  • Spasm(s), spastic, spasticitycardia → K22.0
  • Barrett'sulcer → K22.10
  • Erosionesophagus → K22.10
  • Esophagitis (acute) (alkaline) (chemical) (chronic) (infectional) (necrotic) (peptic) (postoperative) (without bleeding)ulcerative → K22.10
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeBarrett's (esophagus) → K22.10
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativecardia → K22.10
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativecardioesophageal (peptic) → K22.10
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativeesophagus (peptic) → K22.10
  • Cicatrix (adherent) (contracted) (painful) (vicious)esophagus → K22.2
  • Compressionesophagus → K22.2
  • Constrictionesophagus → K22.2
  • Obstruction, obstructed, obstructivecardia → K22.2
  • Obstruction, obstructed, obstructiveesophagus → K22.2
  • Ring(s)esophageal, lower (muscular) → K22.2
  • Ring(s)Schatzki's (esophagus) (lower) → K22.2
  • Stenosis, stenotic (cicatricial)cardia (stomach) → K22.2
  • Stenosis, stenotic (cicatricial)esophagus → K22.2
  • Stricturecardia (stomach) → K22.2
  • Strictureesophagus → K22.2

68 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy