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

ICD-10 K14.8

Billable / Specific

Other diseases of tongue

K14
Block
6
Synonyms
105
LCDs
3
Payer Policies
15
Linked CPTs

About ICD-10-CM K14.8

ICD-10-CM code K14.8 represents Other diseases of tongue. This is a billable/specific code in the Digestive System chapter (block K14). The 2026 edition of ICD-10-CM K14.8 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under K14.8. Per CMS ICD-10-CM Tabular 2026.

  • Atrophy of tongue
  • Crenated tongue
  • Enlargement of tongue
  • Glossocele
  • Glossoptosis
  • Hypertrophy of tongue

Medicare LCD Coverage for K14.8

Local Coverage Determinations (LCDs) from CMS MACs that list K14.8 as a covered diagnosis.

105 LCDs

Showing top 10 of 105 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 30140 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 21145 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 30802 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 41512 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 31610 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 21196 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 42145 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 21685 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 21110 →
CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Article ID: 56905, Effective: 2026-01-01 00:00:00, 4 covered, 0 non-covered
CPT 42299 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing K14.8.

3 policies

3 Medicare

Billing and Coding: Home Health Speech-Language Pathology
Policy ID: ART-53052
Billing and Coding: Outpatient Speech Language Pathology
Policy ID: ART-56868
Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA)
Policy ID: ART-56905

CPT Codes Commonly Billed with K14.8

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

15 linkages
  • C9727 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 41512 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 21110 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 42145 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 21196 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 30802 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 41530 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 21145 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 30140 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD
  • 42299 CMS LCD: Billing and Coding: Surgical Treatment of Obstructive Sleep Apnea (OSA) CMS LCD

Convert K14.8 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
K14.8 5298 00000

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

ICD-10 K14.8, Billing FAQ

Is ICD-10 code K14.8 billable? +

Yes, K14.8 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 K14.8? +

ICD-10 K14.8 includes: Atrophy of tongue; Crenated tongue; Enlargement of tongue, and 3 more clinical synonyms.

What CPT codes are commonly billed with K14.8? +

Procedures frequently paired with K14.8 include: C9727, 41512, 21110, 42145, 21196.

What ICD-9 codes does K14.8 map to? +

Per CMS GEMs, K14.8 maps to ICD-9 codes: 5298. 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 May 31, 2026.

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