A36.89 Other diphtheritic complications

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Diphtheritic peritonitis

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Approximate ICD-9-CM (GEMs)

• 032.2 Anterior nasal diphtheria (approximate)
• 032.83 Diphtheritic peritonitis (approximate)
• 032.89 Other specified diphtheria (approximate)

Code annotations containing back-references to A36.89

Back-references to A36.89

• Type 1 Excludes: H20.0 Acute and subacute iridocyclitis ("iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89)")
• Type 1 Excludes: K65 Peritonitis ("peritonitis in diphtheria (A36.89)")
• Type 1 Excludes: K67 Disorders of peritoneum in infectious diseases classified elsewhere ("peritonitis in diphtheria (A36.89)")

Diagnosis Index entries for A36.89

• Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › nasal, anterior
• Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › neurological complication
• Diphtheria, diphtheritic (gangrenous) (hemorrhagic) › specified site NEC
• Lymphadenitis › due to › diphtheria (toxin)
• Paralysis, paralytic (complete) (incomplete) › iris › due to diphtheria (toxin)
• Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) › diphtheritic
• Stomatitis (denture) (ulcerative) › diphtheritic
• Tracheitis (catarrhal) (infantile) (membranous) (plastic) (septal) (suppurative) (viral) › diphtheritic (membranous)

Nearby codes

• A36.82 Diphtheritic radiculomyelitis
• A36.83 Diphtheritic polyneuritis
• A36.84 Diphtheritic tubulo-interstitial nephropathy
• A36.85 Diphtheritic cystitis
• A36.86 Diphtheritic conjunctivitis
• A36.89 Other diphtheritic complications (this code)
• A36.9 Diphtheria, unspecified