ICD-10-CM Code N25.89

Valid for Submission

N25.89 is a billable code used to specify a medical diagnosis of other disorders resulting from impaired renal tubular function. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code N25.89 might also be used to specify conditions or terms like acquired magnesium-losing nephropathy, central nervous system calcification, deafness, tubular acidosis, anemia syndrome, distal renal tubular acidosis, distal renal tubular acidosis co-occurrent with sensorineural deafness, familial hypokalemic and hypomagnesemic tubulopathy, familial proximal renal tubular acidosis, etc

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code N25.89:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

• Hypokalemic nephropathy
• Lightwood-Albright syndrome
• Renal tubular acidosis NOS

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code N25.89 are found in the index:

• - Acidosis (lactic) (respiratory) - E87.2
  • - kidney, tubular - N25.89
  • - renal (hyperchloremic) (tubular) - N25.89

• - Depletion
  • - potassium - E87.6
    • - nephropathy - N25.89

• - Disease, diseased - See Also: Syndrome;
  • - Lightwood's (renal tubular acidosis) - N25.89

• - Disorder (of) - See Also: Disease;
  • - impaired renal tubular function - N25.9
    • - specified NEC - N25.89
  • - kidney - N28.9
    • - tubular function - N25.9
      • - specified NEC - N25.89
  • - tubulo-renal function, impaired - N25.9
    • - specified NEC - N25.89

• - Impaired, impairment (function)
  • - kidney - N28.9
    • - disorder resulting from - N25.9
      • - specified NEC - N25.89
  • - renal (acute) (chronic) - N28.9
    • - disorder resulting from - N25.9
      • - specified NEC - N25.89

• - Lightwood-Albright syndrome - N25.89

• - Lightwood's disease or syndrome (renal tubular acidosis) - N25.89

• - Nephropathy - See Also: Nephritis; - N28.9
  • - hypercalcemic - N25.89
  • - hypokalemic (vacuolar) - N25.89
  • - potassium depletion - N25.89
  • - protein-losing - N25.89
  • - water-losing - N25.89

• - Nephrosis, nephrotic (Epstein's) (syndrome) (congenital) - N04.9
  • - osmotic (sucrose) - N25.89

• - Syndrome - See Also: Disease;
  • - Lightwood's - N25.89

• - Water-losing nephritis - N25.89

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Acquired magnesium-losing nephropathy
• Central nervous system calcification, deafness, tubular acidosis, anemia syndrome
• Distal renal tubular acidosis
• Distal renal tubular acidosis co-occurrent with sensorineural deafness
• Familial hypokalemic and hypomagnesemic tubulopathy
• Familial proximal renal tubular acidosis
• Familial renal hypouricemia
• Fanconi-like syndrome
• Gitelman syndrome
• High renal threshold for glucose
• Hypercalcemic nephropathy
• Hyperkalemic renal tubular acidosis
• Hypocalciuria
• Hypokalemia, excessive renal losses
• Hypokalemic nephropathy
• Isolated hypercystinuria
• Magnesium-losing nephropathy
• Neonatal acidosis
• Neonatal renal disorder
• Newborn renal dysfunction
• Osteopetrosis with renal tubular acidosis
• Protein-losing nephropathy
• Proximal renal tubular acidosis
• Renal hypocalciuria
• Renal tubular acidosis
• Renal tubular acidosis with progressive nerve deafness
• Transient neonatal renal tubular acidosis
• Uremic acidosis

Diagnostic Related Groups

The ICD-10 code N25.89 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2019 through 09/30/2020.

• 698 - OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH MCC
• 699 - OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITH CC
• 700 - OTHER KIDNEY AND URINARY TRACT DIAGNOSES WITHOUT CC/MCC

Convert N25.89 to ICD-9

• 588.89 - Impair ren funct dis NEC

Code Classification

• Diseases of the genitourinary system (N00–N99)
  • Other disorders of kidney and ureter (N25-N29)
    • Disorders resulting from impaired renal tubular function (N25)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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