DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K11 Diseases of salivary glands

  • Header · not billable

K11 is not billable. The category heads 13 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K00-K14 Diseases of oral cavity and salivary glands (K00-K14)
  3. K11 Diseases of salivary glands
Billable codes
13
Subdivisions
10
CC / MCC codes
2 / 0
HCC V28 codes
0
New FY2027
0
Index entries
93

Codes in K11

  1. K11.0
    Atrophy of salivary gland
    Billable
  2. K11.1
    Hypertrophy of salivary gland
    Billable
  3. K11.2
    Sialoadenitis
    Header
    Inclusion terms 1, Excludes1 3

    Inclusion terms

    • Parotitis

    Excludes1

    • epidemic parotitis (B26.-) B26
    • mumps (B26.-) B26
    • uveoparotid fever [Heerfordt] (D86.89) D86.89
  4. K11.20
    Sialoadenitis, unspecified
    Billable
  5. K11.21
    Acute sialoadenitis
    Billable
    Excludes1 1

    Excludes1

    • acute recurrent sialoadenitis (K11.22) K11.22
  6. K11.22
    Acute recurrent sialoadenitis
    Billable
  7. K11.23
    Chronic sialoadenitis
    Billable
  8. K11.3
    Abscess of salivary gland
    BillableCC
  9. K11.4
    Fistula of salivary gland
    BillableCC
    Excludes1 1

    Excludes1

    • congenital fistula of salivary gland (Q38.4) Q38.4
  10. K11.5
    Sialolithiasis
    Billable
    Inclusion terms 2

    Inclusion terms

    • Calculus of salivary gland or duct
    • Stone of salivary gland or duct
  11. K11.6
    Mucocele of salivary gland
    Billable
    Inclusion terms 3

    Inclusion terms

    • Mucous extravasation cyst of salivary gland
    • Mucous retention cyst of salivary gland
    • Ranula
  12. K11.7
    Disturbances of salivary secretion
    Billable
    Inclusion terms 3, Excludes2 1

    Inclusion terms

    • Hypoptyalism
    • Ptyalism
    • Xerostomia

    Excludes2

    • dry mouth NOS (R68.2) R68.2
  13. K11.8
    Other diseases of salivary glands
    Billable
    Inclusion terms 6, Excludes1 1

    Inclusion terms

    • Benign lymphoepithelial lesion of salivary gland
    • Mikulicz' disease
    • Necrotizing sialometaplasia
    • Sialectasia
    • Stenosis of salivary duct
    • Stricture of salivary duct

    Excludes1

    • Sjögren syndrome (M35.0-) M35.0
  14. K11.9
    Disease of salivary gland, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Sialoadenopathy NOS

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 K11

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-) F10
  • exposure to environmental tobacco smoke (Z77.22) Z77.22
  • exposure to tobacco smoke in the perinatal period (P96.81) P96.81
  • history of tobacco dependence (Z87.891) Z87.891
  • occupational exposure to environmental tobacco smoke (Z57.31) Z57.31
  • tobacco dependence (F17.-) F17
  • tobacco use (Z72.0) Z72.0

Notes that also apply

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

Index entries

  • Sialoadenitis (any gland) (periodic) (suppurative) → K11.20
  • Ptyalolithiasis → K11.5
  • Sialodocholithiasis → K11.5
  • Sialolithiasis → K11.5
  • Ranula → K11.6
  • Aptyalism → K11.7
  • Asialia → K11.7
  • Hypersalivation → K11.7
  • Hypoptyalism → K11.7
  • Ptyalism (periodic) → K11.7
  • Salivation, excessive → K11.7
  • Sialosis → K11.7
  • Xerostomia → K11.7
  • Mikulicz' disease or syndrome → K11.8
  • Pneumoparotid → K11.8
  • Sialectasia → K11.8
  • Sialometaplasia, necrotizing → K11.8
  • Sialoadenopathy → K11.9
  • Atrophy, atrophic (of)parotid gland → K11.0
  • Atrophy, atrophic (of)salivary gland → K11.0
  • Atrophy, atrophic (of)sublingual gland → K11.0
  • Atrophy, atrophic (of)submandibular gland → K11.0
  • Atrophy, atrophic (of)submaxillary gland → K11.0
  • Hyperplasia, hyperplasticsalivary gland (any) → K11.1
  • Hypertrophy, hypertrophicparotid gland → K11.1
  • Hypertrophy, hypertrophicsalivary gland (any) → K11.1
  • Hypertrophy, hypertrophicsublingual gland → K11.1
  • Hypertrophy, hypertrophicsubmandibular gland → K11.1
  • Sialoadenitis (any gland) (periodic) (suppurative)acute → K11.21
  • Sialoadenitis (any gland) (periodic) (suppurative)chronic → K11.23
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)parotid (duct) (gland) → K11.3
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)salivary (duct) (gland) → K11.3
  • Fistula (cutaneous)parotid (gland) → K11.4
  • Fistula (cutaneous)salivary duct or gland (any) → K11.4
  • Fistula (cutaneous)sublingual gland → K11.4
  • Fistula (cutaneous)submandibular gland → K11.4
  • Fistula (cutaneous)submaxillary (gland) → K11.4
  • Calculus, calculi, calculousparotid duct or gland → K11.5
  • Calculus, calculi, calculoussalivary (duct) (gland) → K11.5
  • Calculus, calculi, calculousStensen's duct → K11.5

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

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

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