MS-DRG · FY 2026 v43.0

MS-DRG 138 – Mouth Procedures without CC/MCC

A Surgical DRG in MDC 03 (Diseases & Disorders of the Ear, Nose, Mouth & Throat). Inpatient cases group to DRG 138 when one of the 358 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 0.8862 with a geometric mean length of stay of 1.6 days.

Surgical DRG – assigned by operating-room procedure✓ Official CMS v43.0 dataset

0.8862

Relative Weight

1.6

Geometric Mean LOS (days)

2.0

Arithmetic Mean LOS (days)

358

Procedure Codes

Severity family

DRG 137with CC/MCCWeight 1.4932 · GMLOS 3.4 daysDRG 138without CC/MCCWeight 0.8862 · GMLOS 1.6 days

How a case is assigned to DRG 138

The grouper first assigns the case to MDC 03 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG), then applies the severity split from secondary diagnoses: with CC/MCC → 137; without CC/MCC → 138.

ICD-10-PCS

Procedure Codes 358 codes · 84 categories

358 of 358 shown

0C00 Mouth and Throat, Alteration4 codes

0C00X7Z Alteration of Upper Lip with Autologous Tissue Substitute, External Approach
0C00XJZ Alteration of Upper Lip with Synthetic Substitute, External Approach
0C00XKZ Alteration of Upper Lip with Nonautologous Tissue Substitute, External Approach
0C00XZZ Alteration of Upper Lip, External Approach

0C01 Mouth and Throat, Alteration4 codes

0C01X7Z Alteration of Lower Lip with Autologous Tissue Substitute, External Approach
0C01XJZ Alteration of Lower Lip with Synthetic Substitute, External Approach
0C01XKZ Alteration of Lower Lip with Nonautologous Tissue Substitute, External Approach
0C01XZZ Alteration of Lower Lip, External Approach

0C50 Mouth and Throat, Destruction3 codes

0C500ZZ Destruction of Upper Lip, Open Approach
0C503ZZ Destruction of Upper Lip, Percutaneous Approach
0C50XZZ Destruction of Upper Lip, External Approach

0C51 Mouth and Throat, Destruction3 codes

0C510ZZ Destruction of Lower Lip, Open Approach
0C513ZZ Destruction of Lower Lip, Percutaneous Approach
0C51XZZ Destruction of Lower Lip, External Approach

0C52 Mouth and Throat, Destruction3 codes

0C520ZZ Destruction of Hard Palate, Open Approach
0C523ZZ Destruction of Hard Palate, Percutaneous Approach
0C52XZZ Destruction of Hard Palate, External Approach

0C53 Mouth and Throat, Destruction3 codes

0C530ZZ Destruction of Soft Palate, Open Approach
0C533ZZ Destruction of Soft Palate, Percutaneous Approach
0C53XZZ Destruction of Soft Palate, External Approach

0C54 Mouth and Throat, Destruction3 codes

0C540ZZ Destruction of Buccal Mucosa, Open Approach
0C543ZZ Destruction of Buccal Mucosa, Percutaneous Approach
0C54XZZ Destruction of Buccal Mucosa, External Approach

0C57 Mouth and Throat, Destruction3 codes

0C570ZZ Destruction of Tongue, Open Approach
0C573ZZ Destruction of Tongue, Percutaneous Approach
0C57XZZ Destruction of Tongue, External Approach

0C5N Mouth and Throat, Destruction3 codes

0C5N0ZZ Destruction of Uvula, Open Approach
0C5N3ZZ Destruction of Uvula, Percutaneous Approach
0C5NXZZ Destruction of Uvula, External Approach

0C90 Mouth and Throat, Drainage4 codes

0C9000Z Drainage of Upper Lip with Drainage Device, Open Approach
0C900ZZ Drainage of Upper Lip, Open Approach
0C90X0Z Drainage of Upper Lip with Drainage Device, External Approach
0C90XZZ Drainage of Upper Lip, External Approach

0C91 Mouth and Throat, Drainage4 codes

0C9100Z Drainage of Lower Lip with Drainage Device, Open Approach
0C910ZZ Drainage of Lower Lip, Open Approach
0C91X0Z Drainage of Lower Lip with Drainage Device, External Approach
0C91XZZ Drainage of Lower Lip, External Approach

0C92 Mouth and Throat, Drainage7 codes

0C9200Z Drainage of Hard Palate with Drainage Device, Open Approach
0C920ZX Drainage of Hard Palate, Open Approach, Diagnostic
0C920ZZ Drainage of Hard Palate, Open Approach
0C923ZX Drainage of Hard Palate, Percutaneous Approach, Diagnostic
0C92X0Z Drainage of Hard Palate with Drainage Device, External Approach
0C92XZX Drainage of Hard Palate, External Approach, Diagnostic
0C92XZZ Drainage of Hard Palate, External Approach

0C93 Mouth and Throat, Drainage7 codes

0C9300Z Drainage of Soft Palate with Drainage Device, Open Approach
0C930ZX Drainage of Soft Palate, Open Approach, Diagnostic
0C930ZZ Drainage of Soft Palate, Open Approach
0C933ZX Drainage of Soft Palate, Percutaneous Approach, Diagnostic
0C93X0Z Drainage of Soft Palate with Drainage Device, External Approach
0C93XZX Drainage of Soft Palate, External Approach, Diagnostic
0C93XZZ Drainage of Soft Palate, External Approach

0C94 Mouth and Throat, Drainage4 codes

0C9400Z Drainage of Buccal Mucosa with Drainage Device, Open Approach
0C940ZZ Drainage of Buccal Mucosa, Open Approach
0C94X0Z Drainage of Buccal Mucosa with Drainage Device, External Approach
0C94XZZ Drainage of Buccal Mucosa, External Approach

0C97 Mouth and Throat, Drainage5 codes

0C9700Z Drainage of Tongue with Drainage Device, Open Approach
0C970ZX Drainage of Tongue, Open Approach, Diagnostic
0C970ZZ Drainage of Tongue, Open Approach
0C97X0Z Drainage of Tongue with Drainage Device, External Approach
0C97XZZ Drainage of Tongue, External Approach

0C9N Mouth and Throat, Drainage7 codes

0C9N00Z Drainage of Uvula with Drainage Device, Open Approach
0C9N0ZX Drainage of Uvula, Open Approach, Diagnostic
0C9N0ZZ Drainage of Uvula, Open Approach
0C9N3ZX Drainage of Uvula, Percutaneous Approach, Diagnostic
0C9NX0Z Drainage of Uvula with Drainage Device, External Approach
0C9NXZX Drainage of Uvula, External Approach, Diagnostic
0C9NXZZ Drainage of Uvula, External Approach

0CB0 Mouth and Throat, Excision3 codes

0CB00ZZ Excision of Upper Lip, Open Approach
0CB03ZZ Excision of Upper Lip, Percutaneous Approach
0CB0XZZ Excision of Upper Lip, External Approach

0CB1 Mouth and Throat, Excision3 codes

0CB10ZZ Excision of Lower Lip, Open Approach
0CB13ZZ Excision of Lower Lip, Percutaneous Approach
0CB1XZZ Excision of Lower Lip, External Approach

0CB2 Mouth and Throat, Excision6 codes

0CB20ZX Excision of Hard Palate, Open Approach, Diagnostic
0CB20ZZ Excision of Hard Palate, Open Approach
0CB23ZX Excision of Hard Palate, Percutaneous Approach, Diagnostic
0CB23ZZ Excision of Hard Palate, Percutaneous Approach
0CB2XZX Excision of Hard Palate, External Approach, Diagnostic
0CB2XZZ Excision of Hard Palate, External Approach

0CB3 Mouth and Throat, Excision6 codes

0CB30ZX Excision of Soft Palate, Open Approach, Diagnostic
0CB30ZZ Excision of Soft Palate, Open Approach
0CB33ZX Excision of Soft Palate, Percutaneous Approach, Diagnostic
0CB33ZZ Excision of Soft Palate, Percutaneous Approach
0CB3XZX Excision of Soft Palate, External Approach, Diagnostic
0CB3XZZ Excision of Soft Palate, External Approach

0CB4 Mouth and Throat, Excision3 codes

0CB40ZZ Excision of Buccal Mucosa, Open Approach
0CB43ZZ Excision of Buccal Mucosa, Percutaneous Approach
0CB4XZZ Excision of Buccal Mucosa, External Approach

0CB7 Mouth and Throat, Excision4 codes

0CB70ZX Excision of Tongue, Open Approach, Diagnostic
0CB70ZZ Excision of Tongue, Open Approach
0CB73ZZ Excision of Tongue, Percutaneous Approach
0CB7XZZ Excision of Tongue, External Approach

0CBN Mouth and Throat, Excision6 codes

0CBN0ZX Excision of Uvula, Open Approach, Diagnostic
0CBN0ZZ Excision of Uvula, Open Approach
0CBN3ZX Excision of Uvula, Percutaneous Approach, Diagnostic
0CBN3ZZ Excision of Uvula, Percutaneous Approach
0CBNXZX Excision of Uvula, External Approach, Diagnostic
0CBNXZZ Excision of Uvula, External Approach

0CC0 Mouth and Throat, Extirpation2 codes

0CC00ZZ Extirpation of Matter from Upper Lip, Open Approach
0CC03ZZ Extirpation of Matter from Upper Lip, Percutaneous Approach

0CC1 Mouth and Throat, Extirpation2 codes

0CC10ZZ Extirpation of Matter from Lower Lip, Open Approach
0CC13ZZ Extirpation of Matter from Lower Lip, Percutaneous Approach

0CC2 Mouth and Throat, Extirpation2 codes

0CC20ZZ Extirpation of Matter from Hard Palate, Open Approach
0CC23ZZ Extirpation of Matter from Hard Palate, Percutaneous Approach

0CC3 Mouth and Throat, Extirpation2 codes

0CC30ZZ Extirpation of Matter from Soft Palate, Open Approach
0CC33ZZ Extirpation of Matter from Soft Palate, Percutaneous Approach

0CC4 Mouth and Throat, Extirpation2 codes

0CC40ZZ Extirpation of Matter from Buccal Mucosa, Open Approach
0CC43ZZ Extirpation of Matter from Buccal Mucosa, Percutaneous Approach

0CC7 Mouth and Throat, Extirpation2 codes

0CC70ZZ Extirpation of Matter from Tongue, Open Approach
0CC73ZZ Extirpation of Matter from Tongue, Percutaneous Approach

0CCN Mouth and Throat, Extirpation2 codes

0CCN0ZZ Extirpation of Matter from Uvula, Open Approach
0CCN3ZZ Extirpation of Matter from Uvula, Percutaneous Approach

0CM0 Mouth and Throat, Reattachment1 code

0CM00ZZ Reattachment of Upper Lip, Open Approach

0CM1 Mouth and Throat, Reattachment1 code

0CM10ZZ Reattachment of Lower Lip, Open Approach

0CM3 Mouth and Throat, Reattachment1 code

0CM30ZZ Reattachment of Soft Palate, Open Approach

0CM7 Mouth and Throat, Reattachment1 code

0CM70ZZ Reattachment of Tongue, Open Approach

0CMN Mouth and Throat, Reattachment1 code

0CMN0ZZ Reattachment of Uvula, Open Approach

0CN2 Mouth and Throat, Release3 codes

0CN20ZZ Release Hard Palate, Open Approach
0CN23ZZ Release Hard Palate, Percutaneous Approach
0CN2XZZ Release Hard Palate, External Approach

0CN3 Mouth and Throat, Release3 codes

0CN30ZZ Release Soft Palate, Open Approach
0CN33ZZ Release Soft Palate, Percutaneous Approach
0CN3XZZ Release Soft Palate, External Approach

0CN4 Mouth and Throat, Release2 codes

0CN40ZZ Release Buccal Mucosa, Open Approach
0CN43ZZ Release Buccal Mucosa, Percutaneous Approach

0CNN Mouth and Throat, Release3 codes

0CNN0ZZ Release Uvula, Open Approach
0CNN3ZZ Release Uvula, Percutaneous Approach
0CNNXZZ Release Uvula, External Approach

0CPY Mouth and Throat, Removal13 codes

0CPY00Z Removal of Drainage Device from Mouth and Throat, Open Approach
0CPY01Z Removal of Radioactive Element from Mouth and Throat, Open Approach
0CPY07Z Removal of Autologous Tissue Substitute from Mouth and Throat, Open Approach
0CPY0DZ Removal of Intraluminal Device from Mouth and Throat, Open Approach
0CPY0JZ Removal of Synthetic Substitute from Mouth and Throat, Open Approach
0CPY0KZ Removal of Nonautologous Tissue Substitute from Mouth and Throat, Open Approach
0CPY0YZ Removal of Other Device from Mouth and Throat, Open Approach
0CPY30Z Removal of Drainage Device from Mouth and Throat, Percutaneous Approach
0CPY31Z Removal of Radioactive Element from Mouth and Throat, Percutaneous Approach
0CPY37Z Removal of Autologous Tissue Substitute from Mouth and Throat, Percutaneous Approach
0CPY3DZ Removal of Intraluminal Device from Mouth and Throat, Percutaneous Approach
0CPY3JZ Removal of Synthetic Substitute from Mouth and Throat, Percutaneous Approach
0CPY3KZ Removal of Nonautologous Tissue Substitute from Mouth and Throat, Percutaneous Approach

0CQ0 Mouth and Throat, Repair2 codes

0CQ00ZZ Repair Upper Lip, Open Approach
0CQ03ZZ Repair Upper Lip, Percutaneous Approach

0CQ1 Mouth and Throat, Repair2 codes

0CQ10ZZ Repair Lower Lip, Open Approach
0CQ13ZZ Repair Lower Lip, Percutaneous Approach

0CQ4 Mouth and Throat, Repair2 codes

0CQ40ZZ Repair Buccal Mucosa, Open Approach
0CQ43ZZ Repair Buccal Mucosa, Percutaneous Approach

0CQ7 Mouth and Throat, Repair2 codes

0CQ70ZZ Repair Tongue, Open Approach
0CQ73ZZ Repair Tongue, Percutaneous Approach

0CQN Mouth and Throat, Repair3 codes

0CQN0ZZ Repair Uvula, Open Approach
0CQN3ZZ Repair Uvula, Percutaneous Approach
0CQNXZZ Repair Uvula, External Approach

0CR0 Mouth and Throat, Replacement9 codes

0CR007Z Replacement of Upper Lip with Autologous Tissue Substitute, Open Approach
0CR00JZ Replacement of Upper Lip with Synthetic Substitute, Open Approach
0CR00KZ Replacement of Upper Lip with Nonautologous Tissue Substitute, Open Approach
0CR037Z Replacement of Upper Lip with Autologous Tissue Substitute, Percutaneous Approach
0CR03JZ Replacement of Upper Lip with Synthetic Substitute, Percutaneous Approach
0CR03KZ Replacement of Upper Lip with Nonautologous Tissue Substitute, Percutaneous Approach
0CR0X7Z Replacement of Upper Lip with Autologous Tissue Substitute, External Approach
0CR0XJZ Replacement of Upper Lip with Synthetic Substitute, External Approach
0CR0XKZ Replacement of Upper Lip with Nonautologous Tissue Substitute, External Approach

0CR1 Mouth and Throat, Replacement9 codes

0CR107Z Replacement of Lower Lip with Autologous Tissue Substitute, Open Approach
0CR10JZ Replacement of Lower Lip with Synthetic Substitute, Open Approach
0CR10KZ Replacement of Lower Lip with Nonautologous Tissue Substitute, Open Approach
0CR137Z Replacement of Lower Lip with Autologous Tissue Substitute, Percutaneous Approach
0CR13JZ Replacement of Lower Lip with Synthetic Substitute, Percutaneous Approach
0CR13KZ Replacement of Lower Lip with Nonautologous Tissue Substitute, Percutaneous Approach
0CR1X7Z Replacement of Lower Lip with Autologous Tissue Substitute, External Approach
0CR1XJZ Replacement of Lower Lip with Synthetic Substitute, External Approach
0CR1XKZ Replacement of Lower Lip with Nonautologous Tissue Substitute, External Approach

0CR4 Mouth and Throat, Replacement9 codes

0CR407Z Replacement of Buccal Mucosa with Autologous Tissue Substitute, Open Approach
0CR40JZ Replacement of Buccal Mucosa with Synthetic Substitute, Open Approach
0CR40KZ Replacement of Buccal Mucosa with Nonautologous Tissue Substitute, Open Approach
0CR437Z Replacement of Buccal Mucosa with Autologous Tissue Substitute, Percutaneous Approach
0CR43JZ Replacement of Buccal Mucosa with Synthetic Substitute, Percutaneous Approach
0CR43KZ Replacement of Buccal Mucosa with Nonautologous Tissue Substitute, Percutaneous Approach
0CR4X7Z Replacement of Buccal Mucosa with Autologous Tissue Substitute, External Approach
0CR4XJZ Replacement of Buccal Mucosa with Synthetic Substitute, External Approach
0CR4XKZ Replacement of Buccal Mucosa with Nonautologous Tissue Substitute, External Approach

0CR5 Mouth and Throat, Replacement9 codes

0CR507Z Replacement of Upper Gingiva with Autologous Tissue Substitute, Open Approach
0CR50JZ Replacement of Upper Gingiva with Synthetic Substitute, Open Approach
0CR50KZ Replacement of Upper Gingiva with Nonautologous Tissue Substitute, Open Approach
0CR537Z Replacement of Upper Gingiva with Autologous Tissue Substitute, Percutaneous Approach
0CR53JZ Replacement of Upper Gingiva with Synthetic Substitute, Percutaneous Approach
0CR53KZ Replacement of Upper Gingiva with Nonautologous Tissue Substitute, Percutaneous Approach
0CR5X7Z Replacement of Upper Gingiva with Autologous Tissue Substitute, External Approach
0CR5XJZ Replacement of Upper Gingiva with Synthetic Substitute, External Approach
0CR5XKZ Replacement of Upper Gingiva with Nonautologous Tissue Substitute, External Approach

0CR6 Mouth and Throat, Replacement9 codes

0CR607Z Replacement of Lower Gingiva with Autologous Tissue Substitute, Open Approach
0CR60JZ Replacement of Lower Gingiva with Synthetic Substitute, Open Approach
0CR60KZ Replacement of Lower Gingiva with Nonautologous Tissue Substitute, Open Approach
0CR637Z Replacement of Lower Gingiva with Autologous Tissue Substitute, Percutaneous Approach
0CR63JZ Replacement of Lower Gingiva with Synthetic Substitute, Percutaneous Approach
0CR63KZ Replacement of Lower Gingiva with Nonautologous Tissue Substitute, Percutaneous Approach
0CR6X7Z Replacement of Lower Gingiva with Autologous Tissue Substitute, External Approach
0CR6XJZ Replacement of Lower Gingiva with Synthetic Substitute, External Approach
0CR6XKZ Replacement of Lower Gingiva with Nonautologous Tissue Substitute, External Approach

0CR7 Mouth and Throat, Replacement9 codes

0CR707Z Replacement of Tongue with Autologous Tissue Substitute, Open Approach
0CR70JZ Replacement of Tongue with Synthetic Substitute, Open Approach
0CR70KZ Replacement of Tongue with Nonautologous Tissue Substitute, Open Approach
0CR737Z Replacement of Tongue with Autologous Tissue Substitute, Percutaneous Approach
0CR73JZ Replacement of Tongue with Synthetic Substitute, Percutaneous Approach
0CR73KZ Replacement of Tongue with Nonautologous Tissue Substitute, Percutaneous Approach
0CR7X7Z Replacement of Tongue with Autologous Tissue Substitute, External Approach
0CR7XJZ Replacement of Tongue with Synthetic Substitute, External Approach
0CR7XKZ Replacement of Tongue with Nonautologous Tissue Substitute, External Approach

0CRN Mouth and Throat, Replacement9 codes

0CRN07Z Replacement of Uvula with Autologous Tissue Substitute, Open Approach
0CRN0JZ Replacement of Uvula with Synthetic Substitute, Open Approach
0CRN0KZ Replacement of Uvula with Nonautologous Tissue Substitute, Open Approach
0CRN37Z Replacement of Uvula with Autologous Tissue Substitute, Percutaneous Approach
0CRN3JZ Replacement of Uvula with Synthetic Substitute, Percutaneous Approach
0CRN3KZ Replacement of Uvula with Nonautologous Tissue Substitute, Percutaneous Approach
0CRNX7Z Replacement of Uvula with Autologous Tissue Substitute, External Approach
0CRNXJZ Replacement of Uvula with Synthetic Substitute, External Approach
0CRNXKZ Replacement of Uvula with Nonautologous Tissue Substitute, External Approach

0CS0 Mouth and Throat, Reposition2 codes

0CS00ZZ Reposition Upper Lip, Open Approach
0CS0XZZ Reposition Upper Lip, External Approach

0CS1 Mouth and Throat, Reposition2 codes

0CS10ZZ Reposition Lower Lip, Open Approach
0CS1XZZ Reposition Lower Lip, External Approach

0CS7 Mouth and Throat, Reposition2 codes

0CS70ZZ Reposition Tongue, Open Approach
0CS7XZZ Reposition Tongue, External Approach

0CSN Mouth and Throat, Reposition2 codes

0CSN0ZZ Reposition Uvula, Open Approach
0CSNXZZ Reposition Uvula, External Approach

0CT0 Mouth and Throat, Resection2 codes

0CT00ZZ Resection of Upper Lip, Open Approach
0CT0XZZ Resection of Upper Lip, External Approach

0CT1 Mouth and Throat, Resection2 codes

0CT10ZZ Resection of Lower Lip, Open Approach
0CT1XZZ Resection of Lower Lip, External Approach

0CT3 Mouth and Throat, Resection2 codes

0CT30ZZ Resection of Soft Palate, Open Approach
0CT3XZZ Resection of Soft Palate, External Approach

0CTN Mouth and Throat, Resection2 codes

0CTN0ZZ Resection of Uvula, Open Approach
0CTNXZZ Resection of Uvula, External Approach

0CU0 Mouth and Throat, Supplement9 codes

0CU007Z Supplement Upper Lip with Autologous Tissue Substitute, Open Approach
0CU00JZ Supplement Upper Lip with Synthetic Substitute, Open Approach
0CU00KZ Supplement Upper Lip with Nonautologous Tissue Substitute, Open Approach
0CU037Z Supplement Upper Lip with Autologous Tissue Substitute, Percutaneous Approach
0CU03JZ Supplement Upper Lip with Synthetic Substitute, Percutaneous Approach
0CU03KZ Supplement Upper Lip with Nonautologous Tissue Substitute, Percutaneous Approach
0CU0X7Z Supplement Upper Lip with Autologous Tissue Substitute, External Approach
0CU0XJZ Supplement Upper Lip with Synthetic Substitute, External Approach
0CU0XKZ Supplement Upper Lip with Nonautologous Tissue Substitute, External Approach

0CU1 Mouth and Throat, Supplement9 codes

0CU107Z Supplement Lower Lip with Autologous Tissue Substitute, Open Approach
0CU10JZ Supplement Lower Lip with Synthetic Substitute, Open Approach
0CU10KZ Supplement Lower Lip with Nonautologous Tissue Substitute, Open Approach
0CU137Z Supplement Lower Lip with Autologous Tissue Substitute, Percutaneous Approach
0CU13JZ Supplement Lower Lip with Synthetic Substitute, Percutaneous Approach
0CU13KZ Supplement Lower Lip with Nonautologous Tissue Substitute, Percutaneous Approach
0CU1X7Z Supplement Lower Lip with Autologous Tissue Substitute, External Approach
0CU1XJZ Supplement Lower Lip with Synthetic Substitute, External Approach
0CU1XKZ Supplement Lower Lip with Nonautologous Tissue Substitute, External Approach

0CU4 Mouth and Throat, Supplement9 codes

0CU407Z Supplement Buccal Mucosa with Autologous Tissue Substitute, Open Approach
0CU40JZ Supplement Buccal Mucosa with Synthetic Substitute, Open Approach
0CU40KZ Supplement Buccal Mucosa with Nonautologous Tissue Substitute, Open Approach
0CU437Z Supplement Buccal Mucosa with Autologous Tissue Substitute, Percutaneous Approach
0CU43JZ Supplement Buccal Mucosa with Synthetic Substitute, Percutaneous Approach
0CU43KZ Supplement Buccal Mucosa with Nonautologous Tissue Substitute, Percutaneous Approach
0CU4X7Z Supplement Buccal Mucosa with Autologous Tissue Substitute, External Approach
0CU4XJZ Supplement Buccal Mucosa with Synthetic Substitute, External Approach
0CU4XKZ Supplement Buccal Mucosa with Nonautologous Tissue Substitute, External Approach

0CU5 Mouth and Throat, Supplement9 codes

0CU507Z Supplement Upper Gingiva with Autologous Tissue Substitute, Open Approach
0CU50JZ Supplement Upper Gingiva with Synthetic Substitute, Open Approach
0CU50KZ Supplement Upper Gingiva with Nonautologous Tissue Substitute, Open Approach
0CU537Z Supplement Upper Gingiva with Autologous Tissue Substitute, Percutaneous Approach
0CU53JZ Supplement Upper Gingiva with Synthetic Substitute, Percutaneous Approach
0CU53KZ Supplement Upper Gingiva with Nonautologous Tissue Substitute, Percutaneous Approach
0CU5X7Z Supplement Upper Gingiva with Autologous Tissue Substitute, External Approach
0CU5XJZ Supplement Upper Gingiva with Synthetic Substitute, External Approach
0CU5XKZ Supplement Upper Gingiva with Nonautologous Tissue Substitute, External Approach

0CU6 Mouth and Throat, Supplement9 codes

0CU607Z Supplement Lower Gingiva with Autologous Tissue Substitute, Open Approach
0CU60JZ Supplement Lower Gingiva with Synthetic Substitute, Open Approach
0CU60KZ Supplement Lower Gingiva with Nonautologous Tissue Substitute, Open Approach
0CU637Z Supplement Lower Gingiva with Autologous Tissue Substitute, Percutaneous Approach
0CU63JZ Supplement Lower Gingiva with Synthetic Substitute, Percutaneous Approach
0CU63KZ Supplement Lower Gingiva with Nonautologous Tissue Substitute, Percutaneous Approach
0CU6X7Z Supplement Lower Gingiva with Autologous Tissue Substitute, External Approach
0CU6XJZ Supplement Lower Gingiva with Synthetic Substitute, External Approach
0CU6XKZ Supplement Lower Gingiva with Nonautologous Tissue Substitute, External Approach

0CU7 Mouth and Throat, Supplement9 codes

0CU707Z Supplement Tongue with Autologous Tissue Substitute, Open Approach
0CU70JZ Supplement Tongue with Synthetic Substitute, Open Approach
0CU70KZ Supplement Tongue with Nonautologous Tissue Substitute, Open Approach
0CU737Z Supplement Tongue with Autologous Tissue Substitute, Percutaneous Approach
0CU73JZ Supplement Tongue with Synthetic Substitute, Percutaneous Approach
0CU73KZ Supplement Tongue with Nonautologous Tissue Substitute, Percutaneous Approach
0CU7X7Z Supplement Tongue with Autologous Tissue Substitute, External Approach
0CU7XJZ Supplement Tongue with Synthetic Substitute, External Approach
0CU7XKZ Supplement Tongue with Nonautologous Tissue Substitute, External Approach

0CUN Mouth and Throat, Supplement9 codes

0CUN07Z Supplement Uvula with Autologous Tissue Substitute, Open Approach
0CUN0JZ Supplement Uvula with Synthetic Substitute, Open Approach
0CUN0KZ Supplement Uvula with Nonautologous Tissue Substitute, Open Approach
0CUN37Z Supplement Uvula with Autologous Tissue Substitute, Percutaneous Approach
0CUN3JZ Supplement Uvula with Synthetic Substitute, Percutaneous Approach
0CUN3KZ Supplement Uvula with Nonautologous Tissue Substitute, Percutaneous Approach
0CUNX7Z Supplement Uvula with Autologous Tissue Substitute, External Approach
0CUNXJZ Supplement Uvula with Synthetic Substitute, External Approach
0CUNXKZ Supplement Uvula with Nonautologous Tissue Substitute, External Approach

0CWY Mouth and Throat, Revision12 codes

0CWY00Z Revision of Drainage Device in Mouth and Throat, Open Approach
0CWY01Z Revision of Radioactive Element in Mouth and Throat, Open Approach
0CWY0DZ Revision of Intraluminal Device in Mouth and Throat, Open Approach
0CWY0JZ Revision of Synthetic Substitute in Mouth and Throat, Open Approach
0CWY0KZ Revision of Nonautologous Tissue Substitute in Mouth and Throat, Open Approach
0CWY0YZ Revision of Other Device in Mouth and Throat, Open Approach
0CWY30Z Revision of Drainage Device in Mouth and Throat, Percutaneous Approach
0CWY31Z Revision of Radioactive Element in Mouth and Throat, Percutaneous Approach
0CWY37Z Revision of Autologous Tissue Substitute in Mouth and Throat, Percutaneous Approach
0CWY3DZ Revision of Intraluminal Device in Mouth and Throat, Percutaneous Approach
0CWY3JZ Revision of Synthetic Substitute in Mouth and Throat, Percutaneous Approach
0CWY3KZ Revision of Nonautologous Tissue Substitute in Mouth and Throat, Percutaneous Approach

0CX0 Mouth and Throat, Transfer2 codes

0CX00ZZ Transfer Upper Lip, Open Approach
0CX0XZZ Transfer Upper Lip, External Approach

0CX1 Mouth and Throat, Transfer2 codes

0CX10ZZ Transfer Lower Lip, Open Approach
0CX1XZZ Transfer Lower Lip, External Approach

0CX3 Mouth and Throat, Transfer2 codes

0CX30ZZ Transfer Soft Palate, Open Approach
0CX3XZZ Transfer Soft Palate, External Approach

0CX4 Mouth and Throat, Transfer2 codes

0CX40ZZ Transfer Buccal Mucosa, Open Approach
0CX4XZZ Transfer Buccal Mucosa, External Approach

0CX5 Mouth and Throat, Transfer2 codes

0CX50ZZ Transfer Upper Gingiva, Open Approach
0CX5XZZ Transfer Upper Gingiva, External Approach

0CX6 Mouth and Throat, Transfer2 codes

0CX60ZZ Transfer Lower Gingiva, Open Approach
0CX6XZZ Transfer Lower Gingiva, External Approach

0CX7 Mouth and Throat, Transfer2 codes

0CX70ZZ Transfer Tongue, Open Approach
0CX7XZZ Transfer Tongue, External Approach

0NNX Head and Facial Bones, Release3 codes

0NNX0ZZ Release Hyoid Bone, Open Approach
0NNX3ZZ Release Hyoid Bone, Percutaneous Approach
0NNX4ZZ Release Hyoid Bone, Percutaneous Endoscopic Approach

0W92 Anatomical Regions, General, Drainage4 codes

0W9200Z Drainage of Face with Drainage Device, Open Approach
0W920ZZ Drainage of Face, Open Approach
0W9240Z Drainage of Face with Drainage Device, Percutaneous Endoscopic Approach
0W924ZZ Drainage of Face, Percutaneous Endoscopic Approach

0W93 Anatomical Regions, General, Drainage4 codes

0W9300Z Drainage of Oral Cavity and Throat with Drainage Device, Open Approach
0W930ZZ Drainage of Oral Cavity and Throat, Open Approach
0W9340Z Drainage of Oral Cavity and Throat with Drainage Device, Percutaneous Endoscopic Approach
0W934ZZ Drainage of Oral Cavity and Throat, Percutaneous Endoscopic Approach

0W94 Anatomical Regions, General, Drainage4 codes

0W9400Z Drainage of Upper Jaw with Drainage Device, Open Approach
0W940ZZ Drainage of Upper Jaw, Open Approach
0W9440Z Drainage of Upper Jaw with Drainage Device, Percutaneous Endoscopic Approach
0W944ZZ Drainage of Upper Jaw, Percutaneous Endoscopic Approach

0W95 Anatomical Regions, General, Drainage3 codes

0W9500Z Drainage of Lower Jaw with Drainage Device, Open Approach
0W9540Z Drainage of Lower Jaw with Drainage Device, Percutaneous Endoscopic Approach
0W954ZZ Drainage of Lower Jaw, Percutaneous Endoscopic Approach

0WB3 Anatomical Regions, General, Excision8 codes

0WB30ZX Excision of Oral Cavity and Throat, Open Approach, Diagnostic
0WB30ZZ Excision of Oral Cavity and Throat, Open Approach
0WB33ZX Excision of Oral Cavity and Throat, Percutaneous Approach, Diagnostic
0WB33ZZ Excision of Oral Cavity and Throat, Percutaneous Approach
0WB34ZX Excision of Oral Cavity and Throat, Percutaneous Endoscopic Approach, Diagnostic
0WB34ZZ Excision of Oral Cavity and Throat, Percutaneous Endoscopic Approach
0WB3XZX Excision of Oral Cavity and Throat, External Approach, Diagnostic
0WB3XZZ Excision of Oral Cavity and Throat, External Approach

0WC3 Anatomical Regions, General, Extirpation3 codes

0WC30ZZ Extirpation of Matter from Oral Cavity and Throat, Open Approach
0WC33ZZ Extirpation of Matter from Oral Cavity and Throat, Percutaneous Approach
0WC34ZZ Extirpation of Matter from Oral Cavity and Throat, Percutaneous Endoscopic Approach

0WF3 Anatomical Regions, General, Fragmentation3 codes

0WF30ZZ Fragmentation in Oral Cavity and Throat, Open Approach
0WF33ZZ Fragmentation in Oral Cavity and Throat, Percutaneous Approach
0WF34ZZ Fragmentation in Oral Cavity and Throat, Percutaneous Endoscopic Approach

0WH3 Anatomical Regions, General, Insertion6 codes

0WH303Z Insertion of Infusion Device into Oral Cavity and Throat, Open Approach
0WH30YZ Insertion of Other Device into Oral Cavity and Throat, Open Approach
0WH333Z Insertion of Infusion Device into Oral Cavity and Throat, Percutaneous Approach
0WH33YZ Insertion of Other Device into Oral Cavity and Throat, Percutaneous Approach
0WH343Z Insertion of Infusion Device into Oral Cavity and Throat, Percutaneous Endoscopic Approach
0WH34YZ Insertion of Other Device into Oral Cavity and Throat, Percutaneous Endoscopic Approach

ICD-10-CM

Qualifying Diagnosis Codes

Diagnosis codes do not drive assignment for this DRG. Cases group here from the ICD-10-PCS procedure list below.

Frequently Asked Questions

What is MS-DRG 138?

MS-DRG 138 (Mouth Procedures without CC/MCC) is a surgical DRG in MDC 03 (Diseases & Disorders of the Ear, Nose, Mouth & Throat). Its FY 2026 relative weight is 0.8862 with a geometric mean length of stay of 1.6 days.

What is the difference between DRG 137, 138?

All 2 share the same base category; the severity of secondary diagnoses separates them: 137 (with CC/MCC), 138 (without CC/MCC). A major complication or comorbidity (MCC) places the case in the highest-weighted DRG of the family; a CC in the middle; neither in the lowest.

How many procedure codes group to DRG 138?

358 ICD-10-PCS operating-room procedure codes group to this DRG.

What is the relative weight of DRG 138?

The FY 2026 relative weight of this DRG is 0.8862, meaning reimbursement of roughly 0.89 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.

← PreviousDRG 137 – Mouth Procedures with CC/MCC Next →DRG 139 – Salivary Gland Procedures

Source: CMS ICD-10 MS-DRG v43.0 Definitions Manual and the FY 2026 IPPS Final Rule (Table 5), effective October 1, 2025 through September 30, 2026. We publish the DRG assignments as CMS defines them and add the navigation, search, and code links.