DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K64 Hemorrhoids and perianal venous thrombosis

  • Header · not billable

K64 is not billable. The category heads 8 billable codes in FY2027: the 8 codes directly below it.

Index → code

  • Piles → K64.9
  • Hemorrhoids (bleeding) (without mention of degree) → K64.9
  • Tag (hypertrophied skin) (infected)anus → K64.4

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K55-K64 Other diseases of intestines (K55-K64)
  3. K64 Hemorrhoids and perianal venous thrombosis
Billable codes
8
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
27

Codes in K64

  1. K64.0
    First degree hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Grade/stage I hemorrhoids
    • Hemorrhoids (bleeding) without prolapse outside of anal canal
  2. K64.1
    Second degree hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Grade/stage II hemorrhoids
    • Hemorrhoids (bleeding) that prolapse with straining, but retract spontaneously
  3. K64.2
    Third degree hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Grade/stage III hemorrhoids
    • Hemorrhoids (bleeding) that prolapse with straining and require manual replacement back inside anal canal
  4. K64.3
    Fourth degree hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Grade/stage IV hemorrhoids
    • Hemorrhoids (bleeding) with prolapsed tissue that cannot be manually replaced
  5. K64.4
    Residual hemorrhoidal skin tags
    Billable
    Inclusion terms 2

    Inclusion terms

    • External hemorrhoids, NOS
    • Skin tags of anus
  6. K64.5
    Perianal venous thrombosis
    Billable
    Inclusion terms 3

    Inclusion terms

    • External hemorrhoids with thrombosis
    • Perianal hematoma
    • Thrombosed hemorrhoids NOS
  7. K64.8
    Other hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Internal hemorrhoids, without mention of degree
    • Prolapsed hemorrhoids, degree not specified
  8. K64.9
    Unspecified hemorrhoids
    Billable
    Inclusion terms 2

    Inclusion terms

    • Hemorrhoids (bleeding) NOS
    • Hemorrhoids (bleeding) without mention of degree

Sources of each column.

Instructions

At K64

Includes

  • piles

Excludes1

  • hemorrhoids complicating childbirth and the puerperium (O87.2) O87.2
  • hemorrhoids complicating pregnancy (O22.4) O22.4

Notes that also apply

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

Index entries

  • Hemorrhoids (bleeding) (without mention of degree) → K64.9
  • Piles → K64.9
  • Hemorrhoids (bleeding) (without mention of degree)1st degree (grade/stage I) (without prolapse outside of anal canal) → K64.0
  • Hemorrhoids (bleeding) (without mention of degree)2nd degree (grade/stage II) (that prolapse with straining but retract spontaneously) → K64.1
  • Hemorrhoids (bleeding) (without mention of degree)3rd degree (grade/stage III) (that prolapse with straining and require manual replacement back inside anal canal) → K64.2
  • Hemorrhoids (bleeding) (without mention of degree)4th degree (grade/stage IV) (with prolapsed tissue that cannot be manually replaced) → K64.3
  • Hemorrhoids (bleeding) (without mention of degree)external → K64.4
  • Tag (hypertrophied skin) (infected)anus → K64.4
  • Tag (hypertrophied skin) (infected)hemorrhoidal → K64.4
  • Tag (hypertrophied skin) (infected)sentinel → K64.4
  • Hematoma (traumatic) (skin surface intact)perianal (nontraumatic) → K64.5
  • Hemorrhoids (bleeding) (without mention of degree)thrombosed → K64.5
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel)anal → K64.5
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel)perianal venous → K64.5
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel)venous, perianal → K64.5
  • Hemorrhoids (bleeding) (without mention of degree)internal (without mention of degree) → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)prolapsed → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)specified NEC → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)strangulated → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)ulcerated → K64.8
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerativehemorrhoid → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)skin tagsanus → K64.4
  • Hemorrhoids (bleeding) (without mention of degree)skin tagsresidual → K64.4
  • Tag (hypertrophied skin) (infected)skinanus → K64.4
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel)vein (acute)perianal → K64.5
  • Varicoseulcer (lower limb, any part)anus → K64.8
  • Hemorrhoids (bleeding) (without mention of degree)externalwiththrombosis → K64.5

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

Hierarchy