Skip to content
2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

E87.20 Acidosis, unspecified

BillableValid for claims as a specific diagnosis code

About E87.20

Code
E87.20
Billable
Yes
Short description
Acidosis, unspecified
Category
E87 Other disorders of fluid, electrolyte and acid-base balance
Block
E70-E88 Metabolic disorders
Chapter
4 Endocrine, nutritional and metabolic diseases
Code set
FY2027, October 1, 2026 to September 30, 2027

Ask EvidencePulse about electrolyte disorders

Answers from the published evidence, with every study linked. The question goes into the box; nothing is sent until you press Ask.

Coding notes for E87.20

Applicable to Other names for conditions reported with this code.

  • Lactic acidosis NOS
  • Metabolic acidosis NOS

Code also Another code may be needed as well; the order depends on the encounter.

  • , if applicable, respiratory failure with hypercapnia (J96. with 5th character 2)

Also applies, from E87.2 Acidosis

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis

Also applies, from E87 Other disorders of fluid, electrolyte and acid-base balance

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • diabetes insipidus (E23.2)
  • electrolyte imbalance associated with hyperemesis gravidarum (O21.1)
  • electrolyte imbalance following ectopic or molar pregnancy (O08.5)
  • familial periodic paralysis (G72.3)
  • metabolic acidemia in newborn, unspecified (P19.9)
Block E70-E88 notes (apply to every code in it)

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • androgen insensitivity syndrome (E34.5-)
  • congenital adrenal hyperplasia (E25.0)
  • hemolytic anemias attributable to enzyme disorders (D55.-)
  • Marfan syndrome (Q87.4-)
  • 5-alpha-reductase deficiency (E29.1)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • Ehlers-Danlos syndromes (Q79.6-)
Chapter 4 notes (apply to every code in it)

Note

  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Related codes in E87.2

Latest research on electrolyte disorders

More on electrolyte disorders from 2 Minute Medicine

2MM+

Read the research behind every diagnosis

2MM+ gives you every study summary in full, Classics downloads of the landmark trials, EvidencePulse and HypeCheck, and ad-free reading.

See 2MM+ plans