N11.9
Chronic tubulo-interstitial nephritis, unspecified
Applicable To
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Chronic interstitial nephritis NOS
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Chronic pyelitis NOS
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Chronic pyelonephritis NOS
Approximate Synonyms
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Chronic interstitial nephritis
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Chronic pyelonephritis
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Interstitial nephritis, chronic
Details
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N11.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
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The 2023 edition of ICD-10-CM N11.9 became effective on October 1, 2022.
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This is the American ICD-10-CM version of N11.9 – other international versions of ICD-10 N11.9 may differ.