H04.319

Phlegmonous dacryocystitis of unspecified lacrimal passage

FY2027Chapter 7: Diseases of the eye and adnexa/H00–H05 Disorders of eyelid, lacrimal system and orbit

BillableComplete code, valid to report

H04.319 (also written H04319) is a billable ICD-10-CM diagnosis code for phlegmonous dacryocystitis of unspecified lacrimal passage. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 120 codes in category H04 (Disorders of lacrimal system). Its coding notes include 2 Excludes1 entries and 13 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H04.3 Acute and unspecified inflammation of lacrimal passages
  • neonatal dacryocystitis (P39.1)
Inherited from H04 Disorders of lacrimal system
  • congenital malformations of lacrimal system (Q10.4-Q10.6)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (13 notes)
Inherited from H00–H05 Disorders of eyelid, lacrimal system and orbit
Inherited from Chapter 7 Diseases of the eye and adnexa
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition