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ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 E87.6

Billable / Specific

Hypokalemia

E87
Block
1
Synonyms
55
LCDs
4
Payer Policies
3
Linked CPTs

About ICD-10-CM E87.6

ICD-10-CM code E87.6 represents Hypokalemia. This is a billable/specific code in the Endocrine, Nutritional, and Metabolic chapter (block E87). The 2026 edition of ICD-10-CM E87.6 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under E87.6. Per CMS ICD-10-CM Tabular 2026.

  • Potassium [K] deficiency

Medicare LCD Coverage for E87.6

Local Coverage Determinations (LCDs) from CMS MACs that list E87.6 as a covered diagnosis.

55 LCDs

Showing top 10 of 55 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Magnesium
Article ID: 59186, Effective: 2025-10-01 00:00:00, 4358 covered, 0 non-covered
CPT 83735 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93000 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93041 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93040 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93042 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93005 →
CMS LCD: Billing and Coding: Electrocardiograms
Article ID: 57326, Effective: 2025-11-06 00:00:00, 2736 covered, 0 non-covered
CPT 93010 →
CMS LCD: Billing and Coding: Serum Magnesium
Article ID: 57189, Effective: 2025-10-16 00:00:00, 1405 covered, 0 non-covered
CPT 83735 →
CMS LCD: Billing and Coding: Monitored Anesthesia Care
Article ID: 57361, Effective: 2026-01-01 00:00:00, 2006 covered, 0 non-covered
CPT 01860 →
CMS LCD: Billing and Coding: Monitored Anesthesia Care
Article ID: 57361, Effective: 2026-01-01 00:00:00, 2006 covered, 0 non-covered
CPT 00400 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing E87.6.

4 policies

4 Medicare

Billing and Coding: Serum Magnesium
Policy ID: ART-57189
Billing and Coding: Electrocardiograms
Policy ID: ART-57326
Billing and Coding: Monitored Anesthesia Care
Policy ID: ART-57361
Billing and Coding: Magnesium
Policy ID: ART-59186

CPT Codes Commonly Billed with E87.6

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

3 linkages
  • 80053 Comprehensive metabolic panel — diabetes, HTN, CKD, hyperlipidemia, electrolyte disorders, anemia, thyroid, prediabetes, abnormal labs, routine exam, screening Laboratory
  • 80048 Basic metabolic panel — diabetes, HTN, CKD, electrolyte disorders, abnormal labs, routine exam, HF, dehydration Laboratory
  • 90935 Hemodialysis single — ESRD, CKD stage 5, acute kidney injury, hyperkalemia, hypokalemia, hypernatremia, drug overdose, unspecified kidney failure Nephrology

Convert E87.6 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
E87.6 2768 00000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 E87.6, Billing FAQ

Is ICD-10 code E87.6 billable? +

Yes, E87.6 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to E87.6? +

ICD-10 E87.6 includes: Potassium [K] deficiency.

What CPT codes are commonly billed with E87.6? +

Procedures frequently paired with E87.6 include: 80053, 80048, 90935.

What ICD-9 codes does E87.6 map to? +

Per CMS GEMs, E87.6 maps to ICD-9 codes: 2768. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 17, 2026.

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