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ICD-10-CM 2027

ICD-10 code for Pyelitis

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Pyelitis (congenital) (uremic)”. Page updated September 29, 2026.

About coding Pyelitis

The official ICD-10-CM index doesn't give a single default code for pyelitis; the code depends on the details below.

More specific Pyelitis codes (official index)

  • with
  • calculus
  • with hydronephrosis N13.6 — Pyonephrosis
  • contracted kidney N11.9 — Chronic tubulo-interstitial nephritis, unspecified
  • acute N10 — Acute pyelonephritis
  • chronic N11.9 — Chronic tubulo-interstitial nephritis, unspecified
  • with calculus
  • with hydronephrosis N13.6 — Pyonephrosis
  • cystica N28.84 — Pyelitis cystica
  • puerperal (postpartum) O86.21 — Infection of kidney following delivery
  • tuberculous A18.11 — Tuberculosis of kidney and ureter

Common questions about Pyelitis ICD-10 codes

What is the ICD-10 code for acute pyelitis?

N10 — Acute pyelonephritis.

What is the ICD-10 code for chronic pyelitis?

N11.9 — Chronic tubulo-interstitial nephritis, unspecified.

What is the ICD-10 code for cystica pyelitis?

N28.84 — Pyelitis cystica.

What is the ICD-10 code for puerperal pyelitis?

O86.21 — Infection of kidney following delivery.

What is the ICD-10 code for tuberculous pyelitis?

A18.11 — Tuberculosis of kidney and ureter.