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GB56.4 Other or unspecified hydronephrosis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

This refers to distension and dilation of the renal pelvis and calyces in situations other than those coded elsewhere or when no additional details are available.

exclusions

• Pyonephrosis  (GB58)

postcoordination

synonyms

• Other or unspecified hydronephrosis
• hydronephrosis NOS
• Calyx dilatation
• Hydrocalycosis, not otherwise specified
• Hydronephrotic kidney atrophy
• Hydroureteronephrosis
• Pyelectasis
• Pyelogenic cyst of kidney
• Uronephrosis

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